Answer: 1-2, 2-1, 3-3, 4-4
Explanation:
1. planet A is an inner planet as its distance from sun is 1.52 AU.
2. Planet B is an outer planet as its distance from sun is 19.22 AU.
3. planet A is Mars as it has only 2 moons.
4. planet B is Uranus because it has 27 moons.
Hence, 1-2, 2-1, 3-3, 4-4
Maple trees and tulips are classified as autotrophs because they both which
a) produce gametes by the process of mitosis
b) produce carbon dioxide and water as metabolic wastes
c) are able to obtain complex organic materials
d) are able to synthesize organic molecules from inorganic raw materials
d) are able to synthesize organic molecules from inorganic raw materials
Hope it helps
Maple trees and tulips are classified as autotrophs because D. are able to synthesize organic molecules from inorganic raw materials.
An autotroph refers to the organism that is able to produce its own food through the use of water, light, and carbon dioxide.
Due to the fact that autotrophs produce their food, they're called producers too. Autotrophs produce their food through the process of photosynthesis. Since maple trees and tulips are also able to synthesize organic molecules from inorganic raw materials, they are autotrophs.
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If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 258J of energy to the room?
In the first law of thermodynamics, it states when heat is converted into energy, where as the total energy in the room could transform into another but can never be created or destroyed. If you release 258J of energy in the room, 258J would also be removed from the food according to the isolating system.
Your answer would be 258J.
I need help with #26
Radioactive substances decay and emit alpha, beta, positron, and gamma particles in the process of converting to stable nuclei. An alpha particle has two protons and two neutrons, is relatively heavy and deflected by electrical and magnetic fields. Beta particles are fast moving electrons which are greatly deflected by electrical and magnetic fields. Gamma particles (highly energetic) are neutral and not deflected electrical and magnetic fields. Positron is positively charged beta particle. Opposite charges attract each other. So we can say that alpha particle and positron being positively charged are attracted towards the negative plate. Alpha particle is heavy, so it is slightly deflected towards the negative plate. Beta particle being negatively charged is deflected towards the positive plate and gamma particle is neutral and not deflected in the electrical field.
Therefore, the correct answer is,
A. Beta particle
B. Gamma particle
C. Alpha particle
D. Positron
The correct answer indicating the particle deflected towards the positive plate is option A, the Beta particle. Options B (Gamma particle), C (Alpha particle), and D (Positron) are not deflected towards the positive plate in an electric field.
In the context of radioactive decay, the behavior of particles in electric and magnetic fields provides clues to their charge and mass.
Beta particles, being fast-moving electrons, are negatively charged and deflect towards the positive plate.
Gamma particles, being neutral, remain unaffected by electric and magnetic fields.
Alpha particles, although positively charged, are heavy and only slightly deflected towards the negative plate.
Positrons, being positively charged, would be attracted towards the negative plate.
Therefore, the correct answer indicating the particle deflected towards the positive plate is option A, the Beta particle. Options B (Gamma particle), C (Alpha particle), and D (Positron) are not deflected towards the positive plate in an electric field.
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lewis structures cannot
Answer:
Show the strength of bonds.
Explanation:
Lewis structures just show the bonding but not the strength.
Answer:
Show the strength of bonds
Explanation:
what takes place during a redox reaction
In a redox reaction, one substance is oxidized (loses electrons) while another substance is reduced (gains electrons). An example is the reaction between hydrogen and fluorine.
Explanation:During a redox reaction, one substance gets oxidized, meaning it loses electrons, while another substance gets reduced, meaning it gains the electrons that were lost by the oxidized substance. This simultaneous oxidation and reduction is why these reactions are referred to as 'redox' reactions. For example, in the reaction between hydrogen and fluorine, H2 + F2 → 2HF, hydrogen is oxidized, as it loses an electron, and fluorine is reduced, as it gains the electron lost by hydrogen.
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chemicals integrate to kill insects and other pests that damage crops are
I believe the answer is pesticides
Hello,
Farmer's use many chemicals on their crops. The specific chemical you are looking for is Insecticides. Insecticides are specifically for crops, and it is used to kill insects and bugs. There are three different kinds of pesticides, and the one that mainly kills bugs in insecticides
- I . A -
a television remote control operates at 319 THz, what is the wavelength of the infrared light in nanometers?
Given:
Frequency (ν) = 319 THz
To determine:
The wavelength corresponding to the given frequency
Explanation:
Wavelength (λ) and Frequency(ν) are related as:
λ = c/ν
where c = speed of light = 3*10⁸ m/s
Now:
SI unit of frequency is Hertz (Hz) also expressed as cycles per second
i.e 1 Hz = 1 s⁻¹
1 Terahertz (THz) = 10¹² Hz
therefore the given frequency ν = 319 *10¹² s⁻¹
λ = 3 * 10⁸ ms⁻¹/319 *10¹² s⁻¹ = 940 * 10⁻⁹ m
since 1 nanometer (nm) = 10⁻⁹ m
The wavelength is λ = 940 nm
Ans: The infrared wavelength = 940 nm
How many atoms of oxygen are in three units of aluminum sulfate
Al2(SO4)3 is the formula for one aluminum sulfate atom.
There is 4 oxygen atoms in one so in 3 they would have 12
12 Oxygen Atoms
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How are electromagnetic waves affected as the frequency of the waves increases?
A) energy and wavelength increase
B) energy and wavelength decrease
C) energy decreases, wavelength increases
D) energy increases, wavelength decreases
As the frequency is how many waves pass a fixed point in certain amount of times. This means that the waves get closer together and, therefore, the wavelength decreases. It also means that the wave has more energy.
Answer: D) Energy increases, wavelength decreases
When the frequency of the waves increases, its energy increases, while the wavelength decreases.
• A travelling disturbance, which mediates energy from one place to another is known as a wave.
• The tendency to do work or cause a change is known as the energy.
• Waves can be determined with the help of frequency and wavelength.
• In a given unit of time, the number of complete wavelengths is known as frequency.
• With the increase of the size of wavelengths, its energy and frequency decreases.
• There are two basic kind of waves, that is, electromagnetic and mechanical waves.
• The waves, which can travel through a medium or a vacuum is known as the electromagnetic waves.
• The waves with long wavelengths comprise less energy than waves with short wavelengths.
Thus, correct answer is option d, that is, energy increases, wavelength decreases.
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What happens to the particles of an object as temperature is added to it or taken away from it
Answer:
If temperature added
If temperature is added to the object, the particles of the object vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the space of matter of the object. This results in increased molecular motion, object expands and takes up more space
If temperature taken away
If temperature is taken away from object, the particles vibrate slower. The atoms can get closer result in the matter contracts.
In both cases the mass is not changes. and it happens in all solids, liquids and gases
please help tia!
Referring to the previous question, who had used more power ; the man who walked up the hill or the man who bicycled up the hill?
They both used the same amount of power
The one who walked
Neither of them used power
The one who bicycled
whoch of the following statments doesnt describe the structure of a atowhich of the following do not describe the structure of an atom inside the nucleus of an atom are protons and neutrons protons are positively charged subatomic co-product electrons are negatively charged subatomic particles most of the mass of the atom comes from the electron cloud
Answer : The incorrect option is, The most of the mass of the atom comes from the electron cloud.
Explanation :
There are three basic particles of an atom which are neutrons, protons and electrons.
The nucleus which is present in the center of an atom that contains the neutrons and the protons. The protons are positively charged and neutrons has no charge.
The outer region of an atom contains the electrons and the electrons are negatively charged.
As per given options, the statement which is the most of the mass of the atom comes from the electron cloud is incorrect statement because the most of the mass comes from the nucleus in which protons and neutrons are present.
the normal boiling point of liquid x is less than of y which is less than that of z which of the following is in the correct order of increasing vapor pressure of the three liquids at stp?
XYZ is the answer
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The correct order of increasing vapor pressure at STP for the liquids X, Y, and Z is Z, Y, X, because vapor pressure is inversely related to boiling point. Option B is correct.
The student has asked to arrange liquids X, Y, and Z in the correct order of increasing vapor pressure at Standard Temperature and Pressure (STP). Liquids boil when their vapor pressure becomes equal to the external pressure. As per the given information, the normal boiling point of X is less than that of Y, which is less than that of Z. It is known that the vapor pressure of a liquid is inversely related to its boiling point.
Therefore, the liquid with the lower boiling point will have a higher vapor pressure at a given temperature. Hence, since X has the lowest boiling point, followed by Y, then Z, the correct order of increasing vapor pressure at STP would be Z, Y, X.
Hence, B. is the correct option.
The complete question is:
The normal boiling point of liquid X is less than that of Y, which is less than that of Z. Which of the following is the correct order of increasing vapor pressure of the three liquids at STP?
A) X, Y, Z
B) Z, Y, X
C) Y, X, Z
D) X, Z, Y
E) Y, Z, X
A sample of air with a volume of 2.20m3 at a pressure of 105 KPa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 KPa.
What is the new volume?
6.9
1.34
2.56
43.0
2.88
Answer: The answer is 2.88 m3
Explanation: Since temperature, pressure and volume are given in the question, the general gas equation will be useful in calculating the new volume.
General gas equation,
(P1V1)/T1 = (P2V2) /T2 ................ (1)
Where,
P1 = Initial pressure
P2 = Final pressure
V1 = Initial volume
V2 = Final volume
T1 = Initial temperature in kelvin
T2 = Final temperature in Kelvin
Hence, from the question :
P1 = 105 KPa = 105,000 Pa
P2 = 75 KPa = 75,000 Pa
V1 = 2.20 m3
V2 =?
T1 = 30 °C = (273+30) K = 303 K
T2 =10 °C = (273+10) K = 283 K
Therefore, substitute these value into the general gas equation as given in eq (1) above.
V2 = (P1V1T2) /P2V1
V2 = (105000×2.2×283)/ (75000×303)
V2 = 2.88 m3
Which of the following is a solution for reducing greenhouse gases?
public transportation
not recycling
cutting down more trees
Answer:
public transportation
mark me as brainliest
Answer:
A) public transportation
Explanation:
public transportation can help reduce the amount of cars that contribute to an accumulation of greenhouse gases
Wrong answers:
not recycling contributes to greenhouse gases by requiring new products to be made and contributing to land fills
cutting down more trees both requires tools that create greenhouse gases and lowers the number of trees that could help absorb greenhouse gases
Therefore, the correct answer is A) public transportation
Which statement is true about a proton and a neutron?
1) they have the same masses and different charges
2)they have the same masses and different charges
3) they have different masses and the same charge
4) they have different masses and different charges
Final answer:
The true statement is that protons and neutrons have approximately the same masses and different charges. Hence option 1- 'They have the same masses and different charges' is the correct answer.
Explanation:
The statement that is true about a proton and a neutron is that they have approximately the same masses and different charges. Both the proton and neutron have masses close to 1 atomic mass unit (amu), but they have different charges: the proton has a positive charge (+1), while the neutron is electrically neutral (0 charge).
Protons and neutrons, which reside in the nucleus of an atom, are considered the primary contributors to the atom's mass, as their mass is approximately 1836 times greater than that of an electron. Despite their similar masses, protons and neutrons differ significantly in their electric charge, which is crucial for understanding atomic structure and nuclear chemistry.
The four main economic systems include...
I would say traditional, command, market and mixed.
Hope this helped
Mind marking me brainliest. Thank you!
An individual with an excellent sense of smell is handed a bottle of perfume. After smelling the perfume, he reports that the perfume contains a predominant smell of roses with a faint touch of vanilla. If the perfume is made from water, rose essence, and a splash of vanilla, it is most likely A. a mixture. B. a gas. C. an element. D. a compound.
Answer:
A. a mixture.
Step-by-step explanation:
If the perfume is made from water and anything else, it is a mixture.
B. is wrong, because water is a liquid at room temperature.
C. is wrong, because water is a compound.
D. is wrong, because the perfume is a mixture of water and other compounds.
Answer: A. a mixture.
Explanation:
Element is a pure substance which is composed of atoms of similar elements. It can not be decomposed into simpler constituents using chemical reactions.Example: Copper [tex]Cu[/tex]
Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: water [tex]H_2O[/tex]
Mixture is a substance which has two or more components which do not combine chemically and do not have any fixed ratio in which they are present.The components do not combine chemically and hence retain their original properties. Example: perfume made from water, rose essence, and a splash of vanilla.
Thus the perfume is most likely a mixture as different components retain their original properties.
which of the following for an object should be known to calculate its density
Density = mass / volume
therefore, both mass and volume are needed
the first one represents volume
The Space it occupies is the answer
The equation that describes the process of photosynthesis
the last choice is the equation for photosynthesis
What do you, a complex, multicellular organism, have in common with this single-celled algae that lives in the ocean? A) We have nothing in common. B) We have similar cell structure. C) We have the exact same cell parts. D) We both need salt water to survive.
Answer:
The answer is "B". We have similar cell structure.
Explanation:
We have similar cell structure. The algae is made of one cell. We are made of many, many cells. The cells that make up complex living things are different from each other.
The thing that a complex, multicellular organism, has in common with single-celled algae that live in the ocean is B. We have a similar cell structure.
Cells are referred to as the building blocks of life. Cells are important for every organism. It should be noted that while a unicellular organism and one cell, the multicellular organisms have two or more cells. It should be noted that the unicellular organisms and the multicellular organisms have the same cell structure. In this case, the unicellular organisms and the multicellular organisms both have cytoplasm and plasma membranes. They also contain DNA and ribosomes which are important for gene expression.In conclusion, the correct option is B
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Rutherford's research was primarily involved with: electron distribution defining the components of nuclei using electromagnetic energy
Answer is: defining the components of nuclei.
Rutherford theorized that atoms have their charge concentrated in a very small nucleus.
This was famous Rutherford's Gold Foil Experiment: he bombarded thin foil of gold with positive alpha particles (helium atom particles, consist of two protons and two neutrons).
Rutherford observed the deflection of alpha particles on the photographic film and notice that most of alpha particles passed straight through foil.
That is different from Plum Pudding model, because it shows that most of the atom is empty space.
Rutherford conducted research that led to the first splitting of the atom in a nuclear reaction.
Ernest Rutherford's research primarily focused on defining the components of nuclei, leading to the discovery of the atomic nucleus and a planetary model of the atom, which advanced the understanding of the atom's structure.
Ernest Rutherford, a pioneering physicist, is renowned for his groundbreaking work that led to the modern understanding of atomic structure. His research involved defining the components of nuclei through experiments with alpha particles. Rutherford's shocking discovery was that atoms consist of a tiny, dense, positively charged nucleus, revolutionizing the atomic model at the time.
Unlike the previous plum pudding model, which assumed a uniform distribution of electrons within a positively charged atom, Rutherford proposed that electrons orbit this central nucleus, analogous to planets orbiting the sun. This model represented a significant shift from the thought that electrons were uniformly distributed throughout the atom's volume. Rutherford's planetary model laid the foundation for the quantum mechanical principles that describe electron distribution in contemporary atomic theory.
Rutherford's experiments involved directing a beam of alpha particles, emitted from the radioactive decay of radium, at thin gold foil. Along with his colleagues Hans Geiger and Ernest Marsden, Rutherford observed the scattering of these particles, leading to the conclusion that a massive positive charge (the nucleus) occupied a minute portion of the atom's space.
help me with this please!!
heterogeneous mixtures are those that are mixed, but not evenly. so you can see the different parts. compound is something made up of 2 or more elements. so, K will be a compound, as they are giving you the chemical formula, and showing there are 2 elements. and L is the heterogeneous mixture, as, even though it is crushed, the rocks can be picked apart.
What is the density of the table tennis ball ? Record your answer to the nearest hundredth
The density of a table tennis ball cannot be determined without knowing its mass and volume.
Explanation:The density of a table tennis ball is the mass of the ball divided by its volume.
Since we do not have the mass or volume of the table tennis ball, we cannot calculate its density.
The density of an object is typically measured in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).
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Table tennis ball's density can't be provided directly without specific mass or volume data. However, it's generally understood to be less than water's density since it floats in water. You can measure the ball’s mass and volume yourself to calculate the density.
Explanation:The density of an object can be calculated by dividing its mass by its volume. We don't have specific mass or volume values for a table tennis ball provided, so we cannot directly provide a density value. However, you can usually find this information on the ball packaging or from the manufacturer. Alternatively, you could calculate it yourself by measuring the mass of the ball using a scale, and the volume by displacement method in a liquid.
Remember, the unit of density is often expressed as grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³) depending upon the unit system being used. If we were to compare a table tennis ball generally to water, which has a density of 1 g/cm³, we could say that the table tennis ball has a much lower density because it floats on water.
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Which of the following is NOT needed in air for water condensation to occur?
A. Temperature at the dew point
B. Condensation nuclei
C. Temperature inversion
D. Water vapor
Answer:
option C)
Explanation:
correct option is option C)
in troposphere when we move up the temperature goes on decreasing and the hot air from the earth surface comes into contact with the cold air of the troposphere then air gets condensed.
but in temperature inversion when moves up temperature increases and this leads the gases to not to condense.
Helppppp what are the atomic mass neutrons and nuclear charge to these elements? For 15 POINTS
In these atoms, the positive and negative charges cancel each other out, leading to an atom with no net charge.
(Protons, neutrons, and electrons)
explain how heat transfer is occurring through convection, radiation AND conduction in this picture.
Heat is type of energy can be transferred in three different ways:
1) direction contact through collisions (also called conduction).
Thermal conductuction is the transfer of heat through physical contact.
Thermal conduction is the transfer of heat by microscopic collisions of particles.
Heat spontaneously flows from a hotter (in this example hot liquid) to a colder body (in this example spoon).
2) through a fluid making a current created by less dense fluids floating and more dense fluids sinking (also called convection).
Stirring hot liquid with spoon.
3) by waves traveling with or without a medium (also called radiation).
Waves radiate from hot liquid.
Heat is transferred through conduction, convection, and radiation, often occurring simultaneously. Conduction involves direct contact, convection is the movement of warm fluids, and radiation transfers energy via electromagnetic waves. These processes can be observed in a system like a fireplace, where all three mechanisms contribute to heat transfer.
Explanation:Heat Transfer: Conduction, Convection, and RadiationIn the context of heat transfer, conduction, convection, and radiation are three core mechanisms that allow energy to be transferred as heat. Whenever a temperature difference exists, these mechanisms facilitate the movement of heat.
Conduction: This type of heat transfer occurs through stationary matter by physical contact. For example, heat transferring from the burner of a stove through the bottom of a pan to the food is achieved by conduction.Convection: Convection involves the macroscopic movement of a fluid (either gas or liquid). Heat is carried by the fluid as it moves, such as in the case of hot water rising within a pot on a stove, allowing colder water to sink and get heated at the bottom, thus setting up a circulation pattern.Radiation: Radiation is the transfer of energy through electromagnetic waves without the need for a medium. An example is the heat we feel from the Sun, where the energy is transferred through the vacuum of space.In scenarios like a fireplace, these three methods of heat transfer are evident:
Heat radiates into the room, warming it up.The structure of the fireplace and the adjacent wall conduct heat into the room, albeit at a slower pace.Convection occurs as warm air rises and escapes up the chimney, drawing in colder air from the surrounding space, which then gets heated by the fire.a certain skin lotion is a fine mixture of water and various oils. this lotion is cloudy and cannot be separated into oil and water by filtration. moreover, it’s compon do not separate when left standing. what type of mixture is it
Final answer:
The lotion is a colloid, which is a stable mixture of water and oils that remains consistent without separation and exhibits the Tyndall effect.
Explanation:
The skin lotion described is a type of mixture known as a colloid. In this colloid, the water and oils do not separate upon standing, nor can they be easily filtered apart. The mixture is cloudy because the particles are large enough to scatter light, which is also known as the Tyndall effect. Typical lotions are oil-in-water emulsions that use substances to keep the mixture consistent without separation. Despite the presence of water and oils, which are generally immiscible, the formulation of lotions ensures that they remain stable and homogenous through the use of emulsifiers.
CO2+ H2O --> C6 H12 O6 +O2
hello there the answer is 6 H2O + 6 CO2 = C6H12O6 + 6 O2
Answer:
Photosynthesis
Explanation:
Visible light, X Rays infrared radiation and radio waves all have the same
The common feature of visible light, X-rays, infrared radiation, and radio waves is that they all represent types of electromagnetic radiation, possessing different wavelengths and energy levels, but all moving at the speed of light.
Explanation:Visible light, X-rays, infrared radiation, and radio waves all fall under the umbrella of electromagnetic radiation, which consists of waves of energy that move through space at the speed of light. This spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. The important common feature between all these types of rays is that they travel at the same speed in a vacuum, which is the speed of light, at approximately 299,792 kilometers per second.
Each type of electromagnetic radiation is characterized by its wavelength and frequency, which determine its position in the electromagnetic spectrum. For example, X-rays have shorter wavelengths and thereby more energy, enabling them to penetrate human tissue. Visible light has wavelengths ranges from 380 to 740 nm, frequencies visible to the human eye. Infrared radiation and radio waves have longer wavelengths and lesser energy.
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