Answer:
Because of the pressure build up. it also expanded
Explanation:
Final answer:
The soda can exploded in the freezer because water and the dissolved CO₂ in the soda both expanded as they froze, increasing the pressure inside the can beyond its physical limits, which led to the eruption.
Explanation:
The soda can exploded because the temperature inside the freezer caused the liquid inside the can to freeze and expand. When water freezes, it expands by about 9%, and given that soda is mostly water, a similar expansion occurred. This expansion increased the pressure inside the can beyond its structural limits, leading to the explosion. Moreover, soda contains dissolved carbon dioxide (CO₂), which also expands when it cools and turns from a liquid to a solid. Due to the kinetic-molecular theory, the molecules in the soda moved more slowly in the cooler temperatures of the freezer, which made the liquid less capable of keeping the CO₂ dissolved.
This phenomenon relates to Henry's Law, which states that the solubility of a gas in a liquid is directly related to the pressure of that gas above the liquid. In cold temperatures, the gas becomes less soluble, and if the container has no room to accommodate this change in pressure, it can lead to a rupture as the gas escapes. Additionally, when the pressure of the carbon dioxide in the can drops, such as when a bottle is left open, the dissolved gas escapes and causes the soda to “go flat”. The presence of a pocket of air in containers like a glass bottle of vinegar allows for some expansion without breaking, but a tightly sealed soda can does not have this cushioning.
What is needed for DNA replication? Select all that apply.
Final answer:
DNA replication requires DNA polymerase, DNA helicase, DNA ligase, and primase.
Explanation:
The key components needed for DNA replication are:
DNA polymerase: This enzyme is responsible for adding new nucleotides to the growing DNA strand.DNA helicase: This enzyme unwinds and separates the DNA strands at the replication fork.DNA ligase: This enzyme joins together the Okazaki fragments on the lagging strand.Primase: This enzyme synthesizes RNA primers that are necessary for DNA polymerase to begin replication.DNA replication is a complex process that involves the coordination of multiple enzymes and factors to accurately copy the DNA molecule.
A landscape planting plan...
A)Shows the location of the project in the particular sub-division, section of town of community
B)Shows specific contour lines with recommended chonges.
C)Shows location of walks, walls, drives and plonters.
D)Shows where all the plants are located, bed areas, turt areas etc.
A landscape planting plan shows where all the plants are located, bed areas, turt areas etc.
Option D
Explanation:Landscape planting plans are the plans that are made to plant new trees or plantations in an area systematically. At first, a plan is made to make sure the plants are planted well, and they get perfect nutrition and water, and don’t hamper each other in case of availability of nutrition and sunlight.
Each tree is given a definite area around them to grow into a full plant. Then they are allotted on the map with particular name and batch codes. Thus the planting maps also called as landscape planting plans are made.
What are some other ways that the reaction rate of the cooking food can be increased? Explain your answers.
Answer:
you could add an enzyme to speed up the reaction time and lower the amount of energy needed for the reaction
Which statement best describes how the availability of minerals affects human activity?
Humans tend to migrate toward areas with plentiful mineral resources.
Humans must find new mining areas in order to protect the environment.
Humans must depend on the mineral resources that are easy to access.
Humans tend to seek out the rarest minerals for the greatest economic benefit.
Answer:
D would be my answer, if it's multiple choice, D and A
Explanation:
Humans love rare minerals and we as humans tend to move closer to them
Hope this helps:)
The statement that best describes how the availability of minerals affects human activity is : (A). Humans tend to migrate toward areas with plentiful mineral resources.
Meaning of Mineral ResourcesMineral resources can be defined as those element, materials, substances that is contained in a certain proportion or amount in the earth crust or on the earth crust which can be extracted for the good of mankind.
Minerals has so much importance and has majorly shaped man's existence.
In conclusion, The statement that best describes how the availability of minerals affects human activity is Humans tend to migrate toward areas with plentiful mineral resources.
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What are the basic types of immune system cells? Select all that apply.
lymphocytes
O red blood cells
o granulocytes
monocytes
o antigens
DONE
Answer:Lymphocytes
Monocytes
Granulocytes
Explanation: Granulocytes is a category of the types of white blood cells.
White blood cells are the cells responsible for body immunity and they consisit of 5 types among which are Lymphocytes and Monocytes
Answer:
All the 'cytes
Explanation:
20 points help PLEASE!!! Match the following items.
1. intentional learning
2. chunking
3. long-term memory
4. encoding
deliberately placing information into
your mind
grouping items into smaller segments
the process of placing information
into the mind
permanent storage of information
Answer:
1. intentional learning
deliberately placing information into your mind
2. chunking
grouping items into smaller segments
3. long-term memory
permanent storage of information
4. encoding
the process of placing information into the mind
Explanation:
Not too much to explain because those are the definitions.
1. Intentional means on purpose. Deliberate also means on purpose.
2. Chunking is to break into smaller pieces.
3. The long-term memory remember information for the "long-term", almost permanent, (as opposed to the short-term memory).
Answer:
1. intentional learning
deliberately placing information into your mind
2. chunking
grouping items into smaller segments
3. long-term memory
permanent storage of information
4. encoding
the process of placing information into the mind
Binary fission is the most common form of reproduction in
Answer:
Binary fission is the most common form of reproduction in prokaryotes such as bacteria.
Explanation:
The process of binary fission can be described as a kind of asexual reproduction. Asexual reproduction is the method of reproduction in which a parent cell produces two new daughter cells which are identical to one another and to the parent cell.
During binary fission, the parent cell divides into two by splitting. The DNA replicates itself and moves to opposite directions so that each cell receives one copy of the DNA. Finally, the cells split. This method of replication is common in prokaryotes such as bacteria.
Binary fission is the most common form of reproduction in prokaryotes, such as bacteria and archaea.
What happens During Binary fission?During binary fission, a single prokaryotic cell divides into two identical daughter cells.
The process involves DNA replication, elongation of the cell, and the eventual splitting of the cell into two separate entities.
This form of asexual reproduction allows prokaryotes to rapidly increase their population and is a key factor contributing to their success and prevalence in various environments.
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Which of the components could be observed using a microscope in a prepared slide of leaf epidermal cells but not in a prepared slide of human cheek cells?
Leaf epidermal cells visible structures under a microscope which are absent in human cheek cells include chloroplasts for photosynthesis, stomata and guard cells for gas exchange, and cell walls providing structural support.
Explanation:Components of leaf epidermal cells that can be observed using a microscope but not in a prepared slide of human cheek cells include several unique structures. Chloroplasts, the structures within plant cells responsible for photosynthesis are present in leaf epidermal cells but not in human cheek cells, as human cells do not perform photosynthesis. Additionally, leaf epidermal cells may exhibit structures such as stomata and guard cells, which are involved in gas exchange, and these structures are also not found in human cells. Lastly, the cell walls that surround plant cells provide extra structural support, are also visible in leaf epidermal cells but absent in human cheek cells, as animal cells such as those in the human cheek do not have cell walls.
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In a prepared slide of leaf epidermal cells you could observe chloroplasts, cell wall, and stomata, which are not present in human cheek cells.
Explanation:When examining a prepared slide of leaf epidermal cells under a microscope, you would be able to observe several components not present in a prepared slide of human cheek cells. One key structure you might see are the chloroplasts, which are responsible for photosynthesis in plant cells. Another distinctive feature could be the cell wall, which provides rigidity and protection to plant cells. In addition, you may observe stomata surrounded by guard cells, which are involved in gas exchange and are unique to plant cells. These elements are absent in animal cells like human cheek cells, which only have a flexible cell membrane and lack chloroplasts, a rigid cell wall, and stomata.
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a gazzelle eats grass and later eaten by Tiger which is the prey
Answer: The gazelle is the prey
Explanation:
Predation occurs when an organism (in this case, the tiger) known as a predator kills and eats another ( the gazelle) known as a prey
State one use of lipid in the body
Answer:the body uses lipids as an energy store,as insulation and to make cell membranes.
Explanation:lipids include fats(solid at room temperature) and oils (liquor at room temperature).lipids are an important part of healthy diet.
Answer: The use of lipid is as follows:
Explanation:
A lipid is chemical substance which is insolube in water but can be dissolved in the organic solvent like alcohol.The lipid is an important component of the cells of the living beings.The cholesterol and triglycerides are the examples of lipids. The lipid is composed of carbon, oxygen and hydrogen. The lipid transport the vitamins like A, D,K and E and aid their digestion in the small intestine.
What are genotypes and phenotypes
Genotypes are your genetic "makeup" and phenotypes are your physical "makeup"
limitation of modern periodic table
Answer:
Following are the limitations of the modern periodic table:
In the modern periodic table, the exact position of the element, hydrogen, has yet not been decided. Another drawback of the modern periodic table is that the lanthanides and actinides series are not located in the main body of the periodic table.Many elements have different isotopes. There is no location for adding the isotopes in the periodic table.
Which is part of the alimentary canal?
A. Kidney
B. Liver
C. Small intestine
D. Heart
-Apex
Answer:
small intestine
Explanation:
The alimentary canal comprises of the mouth, pharynx, esophagus, stomach, small intestine, and large intestine
Answer:
C
Explanation:
The digestive system's alimentary tract is made up of the mouth, throat, esophagus, stomach, small and large intestines, rectum, and anus.
Between Point A and Point C, where is the steepest part of the hike? How do you know?
Answer:
Going down Burr Hill; the contour lines are close together.
Explanation:
Between Points A and C, the steepest part is going down Burr Hill.
I know that, because the contour lines are so close together.
That means your vertical descent is quite steep compared to the distance you cover horizontally.
what two things are needed to make a geomagnetic time scale?
Answer:
Geomagnetic north and south pole.
Explanation:
It is primarily dipolar (That is, it has two poles, the geomagnetic North and South poles) on Earth’s surface. Away from the surface the dipole becomes distorted.
When platy materials have a parallel alignment a rock is ____ APEX
Answer:
The rock texture with aligning parallel platy grains is to exhibit metamorphic foliation.
Most metamorphic rocks have a platy or planar structure which is caused by the parallel alignment of micas and/or other flat mineral so this structure is called foliation.
Metamorphic rocks can be foliated or non-foliated.
Foliated metamorphic rocks will display banding or layering of its mineral constituents while non-foliated metamorphic rocks will not.
Answer:
The answer is: Foliated
Which of the following is the goal of the peer review process?
O
A. Reconnection with long-lost friends
O
B. Memorization of a list of facts
O
C. A fair assessment of an experiment
O
D. The appearance of productive activity
A fair assessment of an experiment is the goal of the peer review process
Explanation:
The method of quality control of scientific discoveries and research work is is referred as the process of peer review. In this process the work of scientists undergoes the expert scrutiny before publishing.
They check whether the work is properly formulated and is valid for publishing. Its main purpose is to assess the experiment of researchers and to give permission of acceptance to the writing for publishing in a journal.
Answer:
C. A fair assessment of an experiment
I just did it on Ape.x
Which is an example of how the atmosphere interacts with the hydrosphere
Temperature is a major factor in evaporation, the transfer of water from the hydrosphere to the atmosphere. The higher a location's temperature, the more easily water evaporates at that location.
the weight of a given vapor as compared with an equal volume of air with air having a value of 1.0, is a measurement of
Answer:
Archimedes principle
Explanation:
It is a measure of upthrust or specific gravity
Final answer:
The weight of a given vapor compared with an equal volume of air is a measurement of vapor density. Specific measures such as specific humidity and absolute humidity are used to understand the moisture content in the air, with the latter being more reliable because it is less influenced by temperature and pressure changes.
Explanation:
The weight of a given vapor as compared with an equal volume of air, with air having a value of 1.0, is a measurement of the vapor density. This concept is important in understanding how air and other gases mix and how they behave in different conditions of temperature and pressure. When considering the Earth's atmosphere, we know that,
This relationship means that, on average, at sea level, a column of air above 1.00 m² of the Earth's surface has a weight of 1.01 x 10⁵ N, equivalent to 1 atm.
In terms of humidity, we use different measures such as specific humidity and absolute humidity. Specific humidity is measured as the weight of water vapor in the air per unit weight of air, which includes the weight of water vapor and is expressed in grams of water vapor per kilogram of air. It is a more useful measure because it is not significantly influenced by temperature or atmospheric pressure. Absolute humidity, on the other hand, is expressed as the weight of water vapor per unit volume of air, usually measured in grams per cubic meter, but it changes with temperature and pressure which makes it less reliable for certain calculations.
high protein levels to low protein levels is an example of
Answer:
High protein levels to low protein levels is an example of Hyperproteinaemia.
Explanation:
The medical condition in which a person's protein levels gets low from high level is considered as hyperproteinaemia. Protein is the most essential part of body of human as it is needed in almost every organ of the body. As our body do not store protein we need to have a proper diet containing proper amount of protein for our body. An improper diet lacking in protein can cause hyperproteinaemia or lowering of protein level. The symptoms include- bacterial infections, loss of hair, fatigue, mood swings etc.
7. In this unit, we learned about severe weather disasters and their repercussions. According to Murphy, explain how reducing the initial emergency response by one day can reduce the overall recovery by 1000 days? (40 points)
Swift emergency responses to severe weather disasters effectively reduce recovery time. The quicker issues are addressed, the quicker they can be resolved, leading to faster post-disaster recovery. Thus, reducing initial response time by a day can shorten the recovery period by up to a thousand days.
Explanation:The student's question involves understanding how reducing the initial emergency response can significantly reduce the overall recovery time in the context of severe weather disasters. The primary consideration is the concept of preparedness and prompt emergency action. A lack of preparedness or delayed action can exacerbate the consequences of severe weather disasters, as can be seen in instances like the Texas power grid crash.
Based on Murphy's work, reducing the initial emergency response time by one day can significantly speed up recovery. This is because a quicker response can prevent issues from escalating. For example, quicker responses can help in faster resource allocation, reduction of infrastructure damage, and can prevent humanitarian crises. These factors, if promptly addressed, avoid the accumulation of problems that would take an extended period to recover from.
In summary, the relationship between emergency response and recovery time is almost directly proportional. The faster governments and agencies respond to crisis situations, the quicker communities can bounce back and return to normal.
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Which of the following is the SI unit used in measuring the temperature of a hot cup of coffee
The correct options are C and D.
The SI unit used for measuring the temperature of a hot cup of coffee is Celsius (°C) or Kelvin (K).
The SI unit used in measuring the temperature of a hot cup of coffee is the Celsius (C) or Kelvin (K). Here's a breakdown of the options:
A. Centigrade:
- Centigrade is an old term that used to refer to the Celsius scale, but it is no longer widely used in the scientific community.
- Celsius and centigrade are essentially the same scale with the same units.
B. Joule:
- Joule is not a unit of temperature. It is the SI unit of energy.
C. Celsius:
- Celsius (°C) is the SI unit for measuring temperature in the metric system.
- It is commonly used for everyday temperature measurements, including the temperature of a hot cup of coffee.
D. Kelvin:
- Kelvin (K) is also an SI unit for measuring temperature.
- It is used in scientific and thermodynamic calculations, especially in situations where absolute temperature is necessary, such as in the ideal gas law.
So, the correct SI units for measuring the temperature of a hot cup of coffee are either Celsius (°C) or Kelvin (K), making options C and D correct. However, Celsius (°C) is more commonly used in everyday contexts.
The complete question is here:
Which of the following is the SI unit used in measuring the temperature of a hot cup of coffee?
A. centigrade
B. Joule
C. celsius
D. Kelvin.
How do phythophtora infestans reproduce
Answer:
Phytophtora infestans is host-specific pathogen and can reproduce both asexually and sexually.
Explanation:
Asexually: The spores (sporangia) of P. infestans are transported via wind or water. Once they land on the plant tissue, the zoospores are released. When conditions are warmer, zoospores are germinated. Here, a germ tube is formed which penetrates into the plant tissue and allows the newborn to get nutrients from plant sap for its own growth and development.
Sexually: Sexual reproduction takes place when both male and female are present. Here, antheridium and oogonium nuclei (haploid) fuse together to form a diploid oospore. The oospore then develops into sporangium and the rest of the cycle follows the same pattern as of asexual reproduction.
(Spit Open)
Plants are able to continue to grow and develop
once the starch supply in the seed is gone,
because they
mog
beit
A)
B
A) produce more seeds, which contain additional
food reserves
B) develop roots to absorb starch from the
environment
C) have chloroplasts and use light energy to
make more food
D) grow leaves, which use light energy for cell
respiration
Answer:
C
Explanation:
The answer is C because they are Photosynthetic
Plants are able to continue to grow and develop once the starch supply in the seed is gone, because they have chloroplasts and use light energy to make more food. The correct option is C.
What is chloroplast?Since photosynthesis occurs in chloroplasts, which are organelles in plant cells that contain chlorophyll, chloroplasts are essential for life on Earth.
Proplastids give rise to chromoplasts, leucoplasts, and other plastids, including chloroplasts.
Organelles found in plant cells called chloroplasts use the photosynthetic process to change light energy into relatively stable chemical energy.
They maintain life on Earth in this way. Additionally, chloroplasts support a variety of metabolic processes in plant cells, such as the production of starch, fatty acids, and membrane lipids.
When the starch supply in the seed is depleted, plants can still grow and develop because they have chloroplasts, which utilise light energy to produce more food.
Thus, the correct option is C.
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A professor of biology has completed an experiment on speciation. The results indicate that the current understanding of how speciation occurs is incomplete. Which is the most appropriate way to share the results of this experiment?
Sell findings to a newspaper or magazine
Publish in a scientific journal for peer review
Hold a press conference
Share with classes of university students
Answer:
The most appropriate way of sharing the results is to publish in a scientific journal for peer review. So the answer is 'B'.
Explanation:
In order to validate your results in the scientific community, it is best to publish in a scientific journal and get it peer reviewed. When the article is peer reviewed, other scientists of higher caliber verify your experiment and results and then give their verdict to the outside world.
Newspapers sometimes also publish rumors. So there is no guarantee what gets published is true. the students are still learning and cannot appreciate the full extent of your work.
BRAINLIEST!! According to embryology, why do fish and birds have a common ancestor?
They both have embryos with gill slits and tails.
They both have embryos with traits that eventually disappear.
They both have embryos that develop into adults.
They both have embryos that form from a fertilized egg.
Answer:
Both fish and bird embryos exhibit gill slits and a tail.
Explanation:
According to embryology, all vertebrates exhibit similar traits and structures at their embryonic stage. It becomes very difficult to differentiate between the embryos of a fish, and that of a bird, or embryo of a fish, and a human. These traits, however, disappear, as the case may be, as the embryo develops into an adult. For example, in the case of the embryo of a fish, and a bird, both shows gills slits at their respective embryonic stage. However, the gill slits in fish develop into gills, whereas in the case of birds, it disappears as the embryo develops into an adult.
The Milky Way is held together by a black hole's gravitational force. Since the stars near this black hole move at a high speed, what can you
infer about the black hole?
A. Its location
B. Its size
C. Its depth
D. Its speed
The high speed of stars near the Milky Way's central black hole suggests that it has a large mass, specifically around 4 million solar masses, which significantly affects their orbital velocity and the dynamics of the galaxy.
Explanation:Given the high speed of stars near the black hole at the center of the Milky Way, we can infer that the black hole has a very large mass. The mass of the black hole has been estimated at about 4 million solar masses, based on the orbital dynamics of nearby stars. These stars move at significant velocities, which is a direct consequence of the black hole's gravitational force. According to the observations from radio telescopes and the application of Kepler's third law, all of this mass is confined within a region smaller than the orbit of Mercury, which signifies that the black hole is both incredibly dense and massive.
This concentration of mass creates a gravitational pull that influences the stars and other matter in its vicinity, leading to high orbital speeds. Such a supermassive black hole holds galaxies like our Milky Way together and plays a fundamental role in their dynamics. In this case, we can conclude that the correct answer is B. Its size, meaning the mass of the black hole, since 'size' in this context refers to mass rather than physical dimensions like volume or diameter.
By what cellular process does hair grow back
Answer:
The hair growth cycle consists of three phases: anagen, catagen, and telogen. Anagen, the growth phase, lasts between 3 and 10 years. During this phase, rapid cell division occurs in the hair bulb and dermal papilla. In addition, new hairs begin to protrude from the scalp.
Explanation:
Hair grows back due to cell division or mitosis in the hair follicles, specifically the division of stem cells. This process is cyclic, consisting of three phases (anagen, catagen, telogen), averaging a growth rate of about 0.3 mm per day. Diet, hormones, and aging can impact this growth cycle.
Hair growth is a result of the cellular process known as mitosis, taking place within the hair follicle. It begins with the division of stem cells, which generate new keratinocytes, the cells that make up most of the hair shaft. The hair growth cycle consists of three distinct phases:
The anagen phase: This growth phase involves rapid cell division at the root of the hair, which lasts from 2 to 7 years and pushes the hair shaft upward.The catagen phase: A transitional phase that lasts 2 to 3 weeks, signaling the end of active hair growth.The telogen phase: A resting phase where no growth occurs, lasting about 2 to 4 months. Post this phase, a new anagen phase begins, pushing out the old hair.These phases ensure that hair grows, sheds, and is replaced in a cyclical pattern. Growth rates average at about 0.3 mm per day or 1 cm per month. Factors such as protein-inadequate diets, hormonal changes, or the aging process can affect this cycle, potentially leading to hair loss.
Does any one know number
7.
8.
9.
Answer:
7-B) Plantae, 8-D) Fungus, 9-B)
Explanation:
Most multi-cellular, nucleated autotrophs that carry on photosynthesis are belong to the Plantae kindom. This kingdom includes- mosses, ferns, algaes.
The Heterotrophic eukaryote that associated with the decomposition of dead organisms are Fungus. It is a multi cellular and multi nucleated cell.
Protists are prokaryotic organisms and bacteria are eukaryotic. Protists are not plants or animals , bacteria are microbes.
What is gene regulation?
O
A. The manner in which phenotypes differ from genotypes
O
B. The total number of genes a person has
O
O
c. The control of when and where proteins are made
D. The number of proteins an organism can produce
The control of when and where proteins are made.
The process can be complicated and is carried out by a variety of mechanisms, including through regulatory proteins and chemical modification of DNA.What is gene regulation?
Gene regulation is the process used to control the timing, location and amount in which genes are expressed.
Regulation of gene expression is a complex process that can be controlled at several steps, including:-
Transcription. Pre-mRNA splicing and export.mRNA stability.Translation. Protein modification.Protein half-life.To know more about gene here
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