the answer is A.) hydrogen is changed to helium
A star-like sun gives off heat and light from the nuclear fusion reaction that takes place inside, in this reaction hydrogen is changed to helium, hence option A is correct.
What is the process of nuclear reaction?Most of the time stars as the sun converts their material into heat and light from the nuclear fusion reaction. This process causes gas to glow creating a protostar.
Hydrogen nuclei use in the reaction to produce helium and energy from the hydrogen atom, hydrogen acts as the fuel for this process. In the process, as hydrogen is used, the star condenses and gives more heat, it promotes the fusion of heavier elements.
Therefore, hydrogen is changed to helium in the nuclear reaction process by which a star gives off heat and light.
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What is the correct term for splitting an atom to release nuclear energy? Splitting the nucleus of an atom to release energy is referred to as nuclear .
The spilling of a nucleus is called nuclear fission.
Answer:
The answer is Nuclear Fission
Explanation:
Fission is a nuclear reaction that occurs when a heavy nucleus is divided into two or more smaller nuclei, in addition to some by-products such as free neutrons, photons and other fragments of the nucleus such as alpha and beta particles in addition to a large amount of energy. Heavy-core fission is an exothermic process that releases substantial amounts of energy, generating much more energy than that released in conventional chemical reactions.
99 POINTS
Total these measurements. Your answer should indicate the proper accuracy. Include units.
2.11 ml
5.83 ml
7.64 ml
10.5 ml
8.33 ml
The correct answer would be 34.4 ml
What happen first the intrusion or the extrusion
An intrusion is a rock made up of cool lava inside the crust of the earth.
An extrusion is a rock made up of cool lava above the surface of the earth.
Extrusion happens first and then intrusion.
What happen first the intrusion or the extrusion ?The formation of igneous rock from the lava that cool and solidified inside the earth crust is called intrusion.The formation of igneous rock from the lava that cool and solidified on the surface of the earth is called extrusion.So, the extrusion cool down first and solidified and the layer of intrusion beneath it cools later, and it's always younger.
The formation of extrusion happens first, then the formation of intrusion.
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A gardener uses a chemical to kill the bacteria in the soil of his flowerbed. How will this plan affect the growth of his flowers ?
The bacteria killing chemical will all kill good bacteria which help for growth of an plant and by the result of that the yielding capacity and the some important process may also get reduced,by this way the plan can affect the growth of his flowers.
What are good bacteria and how it help in plant growing?Friendly bacteria or good bacteria can help plants grow by helping the plants to obtain nutrients such as phosphorous and nitrogen, or by defending the plants from other microbes that can make them sick.Beneficial good bacteria for plants produce chemicals and hormones that stimulate growth. Beneficial bacteria help prevent infections from pathogens by coating the root surfaces and triggering systemic disease resistance. Beneficial bacteria for plants help filter out heavy metals and other contaminants from the soil.By this way the use of bacteria killing chemical will all kill good bacteria which helps plant growth.
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When a ball rolls down a hill, what energy conversion occurs?
O A. Potential energy to kinetic energy
O B. Potential energy to chemical energy O C. Kinetic energy to potential energy
O D. Chemical energy to kinetic energy
A. Potential energy to Kinetic energy.
It becomes Kinetic energy by rolling down the hill thanks to gravity and friction.
A quantity that is reserved or required for the body to work and move is called energy. It is calculated as an outcome of power and time and estimated in joules.
The energy transformation that happens when a ball is rolled down a hill is:
Option A. Potential energy - kinetic energy
This can be explained as:
Kinetic energy is the energy seen in the entity when it is in a motion state. It is present in the entity if only it is in moving conditions.The accumulated amount based on the position of the object is potential energy. Like extended or condensed spring has more potential energy as compared to its normal state.So, when the ball was on an elevated hill it stored potential energy but when it started rolling due to motion it got converted into kinetic energy.Therefore, the potential energy got converted into kinetic energy.
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During a laboratory investigation, biology students were asked to classify organisms on prepared slides as either eukaryotes or prokaryotes. Which of the following features should the students be able to observe in BOTH types of cells.
A. ribosomes
B. mitochondria
C. nucleus
D.Golgi apparatus
During a laboratory investigation, Ribosomes should be observed in both types of cells of organisms in eukaryotes and prokaryotes.
Answer: Option A
Explanation:
The cell is differentiated as prokaryotic cell and eukaryotic cell. The former is unicellular and is composed of very few cell organelles such as ribosomes, cytoplasm, and nucleiod.
On the other hand the latter is multicellular and is composed of many cell organelles such as plasma membrane, cytoplasm, Golgi bodies, ER, ribosomes, nucleus, mitochondria, vacuole, etc. Among the cell organelles enlisted in the option, ribosomes are found in both prokaryotes as well as eukaryotes.
What are some examples of uses of minerals? (Select 3 choices )
1. SALT
2. Soda can
3. Toothpaste
4. Applesauce
5. Wooden craft stick
I think the answer choices are 1.) 3.) and 4.)
I could be wrong but I hope this helps.
Answer:
Salt, toothpaste and applesauce
Explanation:
Toothpaste is made from fluorite. Fluorite can be used in the production of tooth paste. It is used in industries that produces pottery, plastics and so on.
Salt can be defined as a white powder which is used to improve the taste of food. It can also be used to preserve it. It is also referred to as a tasting substance.
Applesauce can be gotten from apple. It is usually with unpeeled apples and different spices.
Most illicit drugs affect the nervous system by affecting the action of a particular neurotransmitter at blank in the brain
i think the stem am not 100 percent sure
Use the list of vocabulary words below to write a short story. You may not use more than two of the vocabulary words in the same sentence. Underline each vocabulary word when you use it. Environment, Dependence, Consumer, Predator, Survival, Competition, Extinct, Decomposer, Recycle, Endangered, Producer, Food Chain, Sunlight, Nutrients, Species, Biotic, Prey, Adaptation, Energy, and Abiotic.
The environment is what we live in. Dependence is the act of living alone. Consumer is what we are. Predators are very skilled hunters. Competition is the act of competing. Extinct is what the dinosaurs are. Decomposers are fungi earthworms. Recycle is one of the three R's they are Reuse Reduce and Recycle. Endangered is a very very small or things that are no more. Producers are plants. Food Chain is a figurative "chain". Sun light is what helps plants grow. Nutrients is what helps us grow and survive Species are a group of animals Biotic is living like us. Prey is what the predators eat Adaptation is the change of different things Energy is what is released and Abiotic is nonliving.
plants play a crucial role in the carbon cycle because they ?
This question is incomplete. Here is the complete question:
Plants play a crucial role in the carbon cycle because they ?
A. Do not reléase carbón dioxide during celular respiration.
B. Allow carbon to enter an ecosystem through photosynthesis.
C. Have special bacteria that live in their root systems.
D. Are chemically converted into fossil fuels when burned.
Answer:
The correct answer is option B. Allow carbon to enter an ecosystem through photosynthesis.
Explanation:
During the carbon cycle, plants play a very important role.
Through a process called photosynthesis, the plants that are in our planet obtain the carbon dioxide that is in our atmosphere, and with the help of sunlight and water, these plants transform this carbon dioxide into oxygen and glucose.
All living beings use this glucose generated by plants and oxygen to survive.
The animals will then eat these plants and the carbon dioxide will become part of the atmosphere again, allowing this process to begin again.
What microscope is used to study dna molecules?
TEM
SEM
STM
DNA molecules can be viewed through Scanning Tunneling Microscopy (STM). Within this type of microscope option, DNA molecules can be ultimately seen at atomic levels and at greater depth to identify the differences between various DNA molecules.
Answer 1) transmission electron microscope (TEM)
Answer 2) scanning tunneling microscope (STM)
Answer 3) scanning electron microscope (SEM)
Answer 4) scanning tunneling microscope (STM)
Answer 5) transmission electron microscope (TEM)
The four major functions of hormones are?
A/N: hope this help
Answer:
The four major functions of hormones are?body growth,development, metabolism,sexual function,reproduction etc.They help in body growth, development, metabolism, sexual function, reproduction etc. What happens to the body when these hormones will release in more or less quantity.
Explanation:
Hope it is helpful...
BRANLIESTTT !!!!!, PLEASE HELP ASAP
Here is Andy's address:
14 River Oaks Circle, Apartment B
San Jose, California,
USA
Imagine each of the five parts of Andy's address represents Earth, the Milky Way, the moon, the solar system, or the universe, based on their sizes. Which of the following parts of Andy's address would represent the moon?
a)Apartment B
b)California
c)14 River Oaks Circle
d) USA
Apartment b moon is smallest and apartment is smallest
Answer:
a) Apartment B
Explanation:
The question above asks us to associate the parts of Andy's address with the Earth, the Milky Way, the moon, the solar system or the universe, based on their sizes. In this regard, we can say that the moon is the smallest factor, so the part of Andy's address that represents something of smaller size may be related to the moon.
Apartment B is the smallest structure at Andy's address, so it represents the moon.
Jim was told that he might need to go on medication if his blood pressure continues to be high .what causes blood pressure?
Acute causes of high blood pressure include stress, but it can happen on its own, or it can result from an underlying condition, such as kidney disease. Unmanaged hypertension can lead to a heart attack, stroke, and other problems. Lifestyle factors are the best way to address high blood pressure.
Hope This Helps! Have A Nice Day!!
stress is the main cause, it could be not enough vitamins or exercise or not eating right
hope this helps :)
How do mutations allow for viruses to become more widespread?
Just as natural selection has shaped the evolution of humans, plants, and all living things on the planet, natural selection shapes viruses, too. Though viruses aren’t technically living – they need a host organism in order to reproduce – they are subject to evolutionary pressures.
Where are proteins made in the cell?
The attached ribosomes make protein
Proteins in eukaryotic cells are synthesized by ribosomes, which are either freely located in the cytoplasm or attached to the rough endoplasmic reticulum, depending on the proteins' final destinations. DNA encodes the information needed to produce proteins, and this is transmitted via mRNA to the ribosomes where protein synthesis occurs.
Where Are Proteins Made in the Cell?
Proteins are essential macromolecules and perform a vast array of functions within all living organisms. In eukaryotic cells, proteins are primarily synthesized by structures called ribosomes. The information for protein synthesis is encoded within the cell's DNA. This information is transcribed into messenger RNA (mRNA), which then travels to the ribosome to guide the assembly of amino acids into a protein. The location of protein synthesis in the cell depends on the protein's final destination.
Ribosomes can be found either floating freely in the cytoplasm or bound to the rough endoplasmic reticulum (RER). Free ribosomes synthesize proteins that function within the cytoplasm. In contrast, bound ribosomes on the RER are responsible for the synthesis of proteins that are either secreted from the cell, inserted into the plasma membrane, or destined for other organelles. These proteins enter the RER where they undergo modifications before being packaged into vesicles and transported to the Golgi apparatus for further processing and final delivery. This complex journey ensures proteins reach their appropriate cellular compartments where they can fulfill their functions.
In order to look for their prey, owls ____
they can move there head
Answer:
The given blank can be filled with that the owls turn their head.
Explanation:
In spite of offering the impression of exhibiting a thick neck due to the plumage, the owls possess a very thin and articulated neck. They possess much more mobile vertebrae in comparison to the general vertebrae witnessed in mammals.
In supplementation to the cervical spine being produced by exceptionally flexible vertebrae, these birds still possess about thirteen vertebrae in the neck, while the mammals like humans have only seven. All this leads to a tremendous tendency of the species to be attentive to the movements taking place around it.
This tendency in combination with improved hearing and excelled vision makes the owl an excellent hunter.
Why do you think people like Ben Saunders explore extreme environments? Do you think you’d like to explore an extreme environment? Why or why not?
One major reason for exploring extreme environments is to find new resources. An example of a resource is the search for a new antibiotic. Extreme environments have rare species endemic to the regions which can offer different insights from the normative environment we are used to.
No, I would not. This is because the risk of death is higher in an extreme environment. Example of these risks are deadly diseases or harsh climate. The body may be unable to adjust to the extreme environment hence may be unable to restore homoeostasis; such as in restoring body heat in extremely cold environments hence leading to hypothermia.
Explorers like Ben Saunders are driven by adventure, the pursuit of knowledge, and the challenge of the unknown. Personal desire for such exploration is subjective and depends on one's appetite for risk, adventure, and discovery, balanced against the potential dangers.
People like Ben Saunders explore extreme environments due to a combination of personal drive, scientific curiosity, and the challenge of pushing human boundaries. Explorers like Saunders are often driven by the desire for adventure and the quest for new knowledge. These expeditions can lead to scientific discoveries and provide insights into how humans can adapt to extreme conditions.
Whether an individual would like to explore an extreme environment themselves is quite subjective. Some may be drawn to the excitement and the sense of personal achievement that comes from overcoming such challenges, while others may not find the potential risks to be worth the rewards. Personally, exploring an extreme environment can be appealing if one has a strong interest in discovery, personal growth, and adventure, but this comes with the need for careful preparation and awareness of the potential dangers involved.
What is the smallest unit of organization in an ecosystem
Organism is the smallest unit of organization.
Which condition can cause an enzyme to lose its function?
ANSWER:
if an enzyme reaches a really high temperature while its doing its process it could be possible for it to lose its function
~batmans wife dun dun dun...aka ~serenitybella
American interest in mixed martial arts is growing. Both male and female athletes are invited to compete, although this sport is not recommended for the prima donna. This full contact fighting combines various martial arts techniques so fighters with different styles can compete against each other. This intriguing sport has convinced more than one athlete that he is not, in fact, the alpha and the omega! Many people think that all combative sports should be strictly monitored and regulated by state commissions. It is obvious that the Ultimate Fighting Championship (UFC) is an organization that promotes combative athletic events. State athletic commissions should strictly monitor and regulate the UFC.
2 The first reason regulation is needed can be traced to the origins of the UFC. Early contests did not have enough rules; groin strikes and head butts were allowed. Surprisingly, even fish hooking, which can result in permanent damage, was permitted. Promoters should never be given carte blanche.
3 The second reason is that reform did not come until political pressure produced bans of certain UFC events. Ignoring public outcries of brutality was a huge faux pas. Damaging image problems and decreasing profits eventually motivated the UFC to work with state athletic commissions to give athletes a safer and fairer competition. We must keep pressure on the promoters. Even competitors with Herculean strength deserve a fair fight.4 Finally, the third and most important reason is that mixed martial arts is dangerous. Serious injuries and deaths have been linked with early events. Tragically, even some gifted athletes who seemed to have the Midas touch have fallen victim to unregulated fights. State commissions must ensure that rules are in place and enforced; rules that celebrate the competitive spirit while protecting the fighters. Without a watchdog group, the sport would become a Pandora’s box. Nothing is more troublesome than unchecked violence. Can you imagine a fight without rules called the Bloody Battle of Odin and Thor?
Which is a rebuttal statement that BEST refutes a viewpoint in section four?
A) It is the responsibility of state commissions to make and enforce UFC rules.
B) Regulation of the UFC is needed to reduce the likelihood of serious injuries.
C) It is not the responsibility of state commissions to make and enforce UFC rules.
D) Regulation of the UFC will allow the celebration of an athlete's competitive spirit.
the correct answer is C
The correct option is c. It is not the responsibility of state commissions to make and enforce UFC rules.
The best rebuttal statement that refutes a viewpoint in section four is "It is not the responsibility of state commissions to make and enforce UFC rules." This statement directly challenges the assertion that state commissions must strictly regulate and monitor mixed martial arts competitions, such as those organized by the UFC. It implies that the responsibility for ensuring the safety and fairness of these events might lie elsewhere, perhaps with the organizing bodies themselves or another entity altogether. Regulation plays a critical role in maintaining the integrity of the sport, but this rebuttal suggests a different approach to achieving that goal.
Please Help ASAP
Thanks
Is there any answer choices?
Some plants, like potatoes, can reproduce asexually. A potato plant reproduces asexually when
Answer:
the season come for it to grow.
Explanation:
which is in the spring time
A potato plant reproduces asexually through vegetative propagation using tubers, which produce genetically identical offspring to the parent plant. This method is reliable for maintaining genetic traits but results in uniform crops susceptible to disease.
A potato plant reproduces asexually when it is propagated vegetatively from the tubers. This asexual reproduction produces plants that are genetically identical to the parent plant. The process involves planting the tubers, which are essentially underground stems that store nutrients, in the spring and harvesting them after the annual shoots have died in the fall. While potatoes can also reproduce sexually through flowers, vegetative propagation by tubers is common in agriculture because it is more reliable and produces consistent crops.
Vegetative reproduction is a form of asexual reproduction where new plants grow from parts of the parent plant without the need for seeds or spores. This method is advantageous in stable environmental conditions where it is important to maintain the genetic traits of the parent plant. However, one drawback is that all plants are genetically uniform, making them susceptible to diseases, such as the late blight in potatoes. Stem tubers like potatoes, as well as bulbs, corms, rhizomes, adventitious roots, and stolons, are some typical plant structures involved in vegetative reproduction.
In a typical food chain what would happen after a primary consumer eat a producer
Answer:
↓↓↓↓
Explanation:
Primary consumers are animals that eat primary producers; they are also called herbivores (plant-eaters). Secondary consumers eat primary consumers. They are carnivores (meat-eaters) and omnivores (animals that eat both animals and plants).
After a primary consumer eats a producer in a food chain, the energy and nutrients are transferred to the primary consumer and can be passed on to higher trophic levels.
Explanation:In a typical food chain, after a primary consumer eats a producer, the energy and nutrients from the producer are transferred to the primary consumer. These nutrients are then used by the primary consumer for growth, energy, and reproduction. The primary consumer may be eaten by a secondary consumer, which would then transfer the energy and nutrients further up the food chain. This process continues with tertiary consumers and apex consumers, with each level transferring energy and nutrients from the previous level.
Question 13 (Mandatory) (3 points)
Ions are atoms of the same element that have a different number of _____________.
Question 13 options:
nuclei
electrons
neutrons
protons
nucleons
Question 14 (Mandatory) (3 points)
Radium-226 is unstable. What is the process that allows the nucleus of radium-226 to become more stable?
Question 14 options:
hydrogen bonding
radioactive decay
nuclear fusion
ionic bonding
covalent bonding
Question 15 (Mandatory) (3 points)
What parts of an atom can change during a nuclear reaction that cannot change during a chemical reaction?
Question 15 options:
The number of electrons only
The number of protons and electrons
The number of neutrons and electrons
The number of protons and neutrons
Question 16 (Mandatory) (3 points)
Traditional explosives use the energy released by chemical reactions. Nuclear weapons use the energy released by nuclear reactions. Why are nuclear weapons much more destructive than traditional explosives?
Question 16 options:
Chemical reactions always release more energy than they use
Nuclear reactions can release much more energy than chemical reactions
Chemical reactions always use more energy than they release
Nuclear weapons always contain more chemicals than traditional explosive
Chemical reactions can release much more energy than nuclear reactions
Question 17 (Mandatory) (3 points)
The nucleus of some isotopes will spontaneously undergo nuclear decay. These isotopes are said to be radioactive. what causes the nucleus of an isotope to be radioactive?
Question 17 options:
exposure to toxic chemicals
the net charge of the atom
the attraction of protons to electrons
an unstable ratio of protons and neutrons
too many electrons in its orbitals
Question 18 (Mandatory) (3 points)
If a substance can be separated by physical means and it is not the same throughout, what is it?
Question 18 options:
a pure substance
a compound
a heterogeneous mixture
an element
a homogeneous solution
Question 19 (Mandatory) (3 points)
If a substance cannot be separated by physical means or chemical means, it is ___________.
Question 19 options:
a mixture
a solution
heterogeneous
a compound
an element
Question 20 (Mandatory) (3 points)
Water vapor turning to frost is an example of ______________ .
Question 20 options:
deposition
vaporization
sublimation
evaporation
freezing
Question 21 (Mandatory) (3 points)
What does the atomic number of an element represent?
Question 21 options:
the mass of an atom
the number of protons in an atom
the number of neutrons in an atom
the total number of protons, neutrons, and electrons in an atom
the order in which the element was discovered
Question 22 (Mandatory) (3 points)
Which of the following is a common property of Noble Gases?
Question 22 options:
seeks to donate one to three electrons
have a full outer shell of electrons
are highly reactive
easily form chemical compounds
are good conductors of electricity
Question 23 (Mandatory) (3 points)
Which type of element seeks to gain electrons?
Question 23 options:
Non-Metals
Noble Gases
Metals
Isotopes
Metalloids
Question 24 (Mandatory) (3 points)
If a material is ductile, it is most likely a ____________ .
Question 24 options:
Non-Metal
Noble Gas
Ion
Metalloid
Metal
Question 25 (Mandatory) (3 points)
What determines the properties of elements?
Question 25 options:
the average atomic mass
the number of electron shells
the number of neutrons
the number of electrons that fill the outer shell
the total number of electrons
Question 26 (Mandatory) (3 points)
What is happening to the temperature of the substance BEFORE AND AFTER the phase changes?
Question 26 options:
Temperature increases before and after the phase changes.
Temperature increases before the phase change and decreases after the phase change.
Temperature stays the same before and after the phase changes.
Temperature decreases before and after the phase changes.
Temperature decreases before the phase change and increases after the phase change.
Question 13) Electrons
Question 14) Ionic bonding
Question 15) The number of protons and neutrons
Question 16) Nuclear weapons can release much more energy than chemical reactions.
Question 17) An unstable ratio of protons and neutrons
Question 18) A homgenous solution
Question 19) An element
Question 20) Freezing
Question 21) The number of protons in an atom.
Question 22) have a full outer shell of electrons.
Question 23) Non-metals
1. Identify the human body systems and their functions.
Cardiovascular system - contains all of our muscles necessary , skeletal system- contains the bones to create the shape of the body and respiratory system which allows us to breathe
Michael is giving a presentation on the ecological pyramid of numbers help him complete the sentences.
1. a) apex predators
b)producers
c) consumers
2. a) count
b) maintain
C) weigh
B) producers
A) count?
Which of these methods involves the observation of red shift and blue shift to measure accurately the distance from Earth to the stars?
A) Blue Shift
B) HR Diagram
C) Doppler Effect
D) Parallax Method
C) Doppler Effect
Hope this helped
Answer:
The correct answer is C. The Doppler Effect involves the observation of red shift and blue shift to measure accurately the distance from Earth to the stars.
Explanation:
The Doppler effect, named after the Austrian physicist Christian Andreas Doppler, is the change in apparent frequency of a wave produced by the relative movement of the source with respect to its observer.
In the case of the visible spectrum of electromagnetic radiation, if the object moves away, its light shifts to longer wavelengths, producing a shift towards red. If the object approaches, its light has a shorter wavelength, moving towards blue. This deviation to red or blue is very slight even at high speeds, such as relative speeds between stars or between galaxies, and the human eye cannot capture it, only measure it indirectly using precision instruments such as spectrometers. If the emitting object moved to significant fractions of the speed of light, the wavelength variation would be directly visible.
What is the first threat to life from a massive third-degree burn?
A surgery that could lead to death
Is this a multiple choice question? But usually you would worry about infections, low blood flow, temputure dropping.
Mark me brainilist pls!
describe how the between gravitational force between any two objects is affected by the distance between them
The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.