Which sentence best summarizes the two competing models of planet
formation?
O A. The core accretion model states that planets form when clumps
of gas and dust collapse, while the gravitational instability model
states that small bodies grow bigger and attract layers of gas to
form planets.
O B. The gravitational instability model states that planets form when
clumps of gas and dust collapse, while the core accretion model
states that small bodies grow bigger and attract layers of gas to
form planets.
C. The gravitational instability model states that planets form
because changes in the new sun's gravity pull particles together,
while the core accretion model states that gravity between large
bodies pulls them apart into pieces that form planets.
D. The core accretion model states that planets form because
changes in the new sun's gravity pull particles together, while the
gravitational instability model states that gravity between large
bodies pulls them apart into pieces that form planets.

Answers

Answer 1

Answer:

A

Explanation:

Answer 2

A. The core accretion model states that planets form when clumps of gas and dust collapse, while the gravitational instability model states that small bodies grow bigger and attract layers of gas to form planets.

What are the models of planet formation?

There are two main models of planet formation: the core accretion model and the gravitational instability model.

The core accretion model states that planets form when small particles, such as dust and gas, clump together and gradually grow into larger bodies. These bodies continue to attract more material, eventually forming a planet. This model is supported by the observed existence of small, solid bodies, known as planetesimals, in the early solar system.

The gravitational instability model, on the other hand, proposes that planets form when small bodies within a protoplanetary disk (a disk of gas and dust surrounding a young star) grow larger and become gravitationally unstable. This causes them to collapse and attract layers of gas, eventually forming a planet. This model is supported by the observation of large, gaseous planets, such as Jupiter, in the solar system.

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Related Questions

Describe how detrital sedimentary rocks are classified.

Answers

Detrital sedimentary rocks are mainly classified by the size of their grain. The largest grain is a boulder, followed by a cobble, a pebble, sand, silt and finally the finest grain, which is clay. These grains of sediments are what get cemented together to form sedimentary rocks.

(b) Explain clearly how the circulatory system and the respiratory system in the human body work together. ​

Answers

Answer:

The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.

Explanation:

Hope this is helpful.

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What is the difference between 1 unit of magnitude on the Richter scale?
100 times stronger
1000 times stronger
10 times stronger
1 times stronger

Answers

Answer:

10 times stronger

Explanation:

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measurement plays an important role in our daily life.​

Answers

Answer:

Yes,measurement plays an important role in our daily life because we do various activities like export import selling and buying in our day to day life. These activities are impossible without measurement.

#(Please mark as brainliest (: )

Answer:

1. It makes buying and selling goods easier.

2. It helps to get the accurate amount of physical quantities.

3. It is important to perform experiments in a science laboratory.

4. It is important in laboratories for getting proper amount of medicines.

5. It is important in construction of roads, buildings, bridges, etc.

.5km/sec north by northwest is an example of
speed
acceleration
velocity
distance

Answers

Answer:

The answer is Distance.

Who are autotrophs ?​

Answers

Answer:

autotrophs are organisms that make their own food, like plants, who make their own food through photosynthesis.

An autotroph is an organism capable of making nutritive organic molecules from inorganic materials. It could be through photosynthesis (involving light energy) or chemosynthesis (involving chemical energy).

Which event happens first when you get a splinter?
A. The white blood cells produce antibodies.
B. The damaged tissue releases chemical messengers.
O C. The white blood cells eat pathogens near the wound.
D. The damaged tissue swells and becomes painful.

Answers

Answer:

I believe it is B. The damaged tissue releases chemical messengers

Explanation:

This is because the chemicals of the so-called complement system start drilling holes into bacterial cell walls. Macrophages, big eater cells, devour any invaders they meet. This is to prevent furthur infection!

In the _________________________were the absorption of nutrients takes place, the enzyme ___________________hydrolyses ___________________ into _________________________

A. small intestine -lipase-lipid-fatty acid and glycerol

B. mouth-salivary amylase-lipid-amino acid

C. small intestine-lipase-protein-amino acid

Answers

Answer:

A)

Explanation:

In the small intestine where the Absorption of nutrients takes place, the enzyme lipase hydrolyses lipid into fatty acid and glycerol

What are some ways we can reduce climate change

Answers

Power your home with renewable energy and speak up!

PLEASE HELP ME I NEED ASAP.
Complete the following table on the different types of microscopes.

Answers

Answer:

A compound light microscope is a microscope with more than one lens and its own light source. In this type of microscope, there are ocular lenses in the binocular eyepieces and objective lenses in a rotating nosepiece closer to the specimen.

The scanning electron microscope (SEM) produces images by scanning the sample with a high-energy beam of electrons. As the electrons interact with the sample, they produce secondary electrons, backscattered electrons, and characteristic X-rays.

Explanation:

EX: Polymerization and the breakdown of a polymer are two opposite reactions. What role does a water molecule play in both of them?

Answers

Answer:

A water molecule is released during polymerization, which helps in the formation of a bond, and it is added during the break down of a polymer, which helps in breaking the bond.

What is ballistochory?

Answers

Answer:

Ballistochory. So it is called when the seeds are forcefully or explosively spread. The aim is to "throw" the seed from the parent plant as far as possible.

Explanation:

This is what is known by the violent and explosive dispersal of the seeds. The aim is to "throw" the seed from the parent plant as far as possible. (This works because the wind resistance is not high for seeds.)

Answer:

the dispersal of seeds by force

Explanation:

why was mandels work not accepted at the time

Answers

Answer:

His work was not accepted at the time because during that time DNA had not yet been discovered.

describe the effect of increasing the light intensity on the rate of photosynthesis in pelargonium with green leaves​

Answers

Increased light intensity, more energy for photosynthesis, more light dependent reactions occur

Which of the following is a true statement regarding phytoplankton?

they are most commonly found near deep-sea thermal vents
they are responsible for 80% of all global warming
they are the only cause of green ocean water
they are the primary photosynthetic plants in the ocean

Answers

Answer:

(D) I think

Explanation:

Why do you think that Darwin's principle of natural selection was important and how did it relate to future ideas of biological evolution.

Answers

Explanation:

everything can be found in the picture

Through this process of natural selection, favorable traits are transmitted through generations.

Natural selection can lead to speciation, where one species gives rise to a new and distinctly different species. It is one of the processes that drives evolution and helps to explain the diversity of life on Earth.

What is speciation?Speciation, the formation of new and distinct species in the course of evolution. The species evolve by genetic modification.

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Which of the following describes how the United Nations plans to correct the issue of deforestation?
by helping poor countries reach economic security
o by implementing small anti-climate change measures
by focusing on conditions within politically stable countries
o by imposing strict penalties on countries with poor environmental practices

Answers

Answer:

I think it is by implementing small anti-climate change measures but I'm not sure

Which is a method that scientist used to determine the composition of earths layers

Answers

Answer:

Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers.

Explanation: GOOD LUCK

Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers

A scientist claims that he has protected animal test subjects from a newly mutated virus using an experimental vaccine. The experimental vaccine was injected into five animal test subjects. The scientist also injected a placebo vaccine into five other animal test subjects. One month later, all of the test subjects were exposed to the mutated virus. The subjects that received the vaccination showed no sign of the disease and blood tests confirmed the presence of antibodies against the disease, but the subjects given the placebo developed symptoms of this condition. Why did one group have a placebo injected before being exposed to the virus? Choose 1 answer: Choose 1 answer: (Choice A) A They were part of the control group (Choice B) B They would be exposed to a weakened form of the virus (Choice C) C They would be protected from the disease (Choice D) D They were part of the experimental group

Answers

Answer:

A. They were part of the control group

Explanation:

In a scientific experiment, the CONTROL GROUP as opposed to the experimental group is the group that does not receive the experimental treatment. This acts as a standard for comparison.

In this question, the EXPERIMENTAL VACCINE is the experimental treatment or independent variable that was added. The five animal test subjects that was injected with this vaccine are called the EXPERIMENTAL GROUP while the other five test subjects that were rather injected with a PLACEBO are called CONTROL GROUPS.

Scientists are trying to find the causative agent for a new disease in chicken. They grow a culture of what they think is the causative agent. They then inoculate a large group of healthy representative chicken with the agent, but none of the chicken become ill. Applying the Germ Theory of Disease, which of the following could explain the results (choose all correct answers)?
A. They isolated resident microbiota (look in your textbook for definition)
B. The suspected causative agent is found in healthy chickens.
C. The true causative agent is not an infectious disease.
D. The suspected causative agent is an infectious disease.

Answers

I believe it would be A and D

What is the path blood takes through the heart, body and lungs.

Answers

Answer:

Blood comes into the right atrium from the body, moves into the right ventricle and is pushed into the pulmonary arteries in the lungs. After picking up oxygen, the blood travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle and out to the body's tissues through the aorta.

Explanation:

Answer:

1) body –> 2) inferior/superior vena cava –> 3) right atrium –> 4) tricuspid valve –> 5) right ventricle –> 6) pulmonary arteries –> 7) lungs –> 8) pulmonary veins –> 9) left atrium –> 10) mitral or bicuspid valve –> 11) left ventricle –> 12) aortic valve –> 13) aorta –> 14) body.

Explanation:

this is full path of blood with every single detail

If you had a sequence of DNA that was ATGCCATTGC, what would be the complementary DNA Sequence?

Answers

Answer:

TACGGTAACG

Explanation:

T-A

C-G

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Are sea sponges closer in relationship to humans, boxwood shrubs, paramecium, or moss? Explain using evidence to support your claim.​

Answers

Answer:

Humans

Explanation:

A new research now suggests that possibly the entire animal kingdom, including humans, shares important genetic mechanisms with sea sponges. Now published in the journal Science, the discovery has been made by a team of scientists led by Dr. Emily Wong from the Victor Chang Cardiac Research Institute and UNSW Sydney.

describe Human Trafficking​

Answers

Explanation:

Introduction  Human trafficking is a group of crimes involving the exploitation of men, women and children for financial gains which is violation of fundamental human rights  Human trafficking is the 3rd largest international crime  Over one million people trafficked annually  Millions of men, women and children are victims of human trafficking  Human trafficking is a part of the larger problem of slavery

 human trafficking is when people are transported, by force or deception, to become enslaved  Traffickers use blackmail, abuse, and threats to force victims to comply with their wishes in the destination country  Usually caused by poverty/lack of economic opportunities, especially for women and children, and a demand for certain services in the destination country

26._____The first trophic level is usually occupied by herbivores. 27.__True___It is possible for a plant to be a carnivore. 28._____A habitat refers to the role of a species in its ecosystem. 29._____Biotic factors include sunlight, soil, temperature, and water. 30._____A food web can be represented by many interconnected food chains. 31._____There are rarely more than four trophic levels in an ecosystem. 32._____Like water, energy is also recycled through an ecosystem.

Answers

Answer:

The correct answer is -

26. false

27. true

28. false

29. false

30. true

31. true

32. false

Explanation:

The first trophic level is usually primary producers and herbivores are the primary consumers placed in the second trophic level.

There are some plants that depend on insects and small organisms for their nutrition.

Habitat is the living area of an organism it can be understood as address.

Biotic factors are the living organisms of the ecosystem while sunlight, soil, temperature are abiotic factors.

A food web is complex as it is made up of several food chains interconnected.

Normally there are only three or four trophic levels in most of the ecosystem.

Energy is not recycled in ecosystems like water or carbon.

“Dear Basketball" by Kobe Bryant Analysis
+
Kobe says that basketball "asked for his hustle", but he "gave his heart because it came with so much
more". What could his heart give to the game of basketball that his hustle could not?

Answers

Answer:

He describes basketball as asking him for his “hustle.” Instead, he gave the sport his heart. The speaker worked hard because he wanted to do the game justice. He wanted to show his love for the sport because that's “what you do / When someone makes you feel as / Alive” as basketball made him feel.

"A passive smoker will experience the similar effect as an active smoker" Do you agree with the opinion? Justify.​

Answers

No. Because the passive smoker doesn’t inhale.

The bacteria chromosome is

Answers

one long, single molecule of double stranded, helical, supercoiled DNA. In most bacteria, the two ends of the double-stranded DNA covalently bond together to form both a physical and genetic circle
In most bacteria, the two ends of the double-stranded DNA covalently bond together to form both a physical and genetic circle.

Compare how the human body breathes in and out. Describe what happens to the ribcage, the diaphragm and chest volume. (6 marks) In this question you get marks for how well your answer is written. You will get marks for: spelling grammar  organising your ideas and information clearly using key scientific words.


Will give brainiest for best organised detailed answer. :)

Answers

•When we breathe in our rib cage swing upwards and outwards, diaphragm contracts and flattens, the expand and air is drawn in. The thorax also increases.
•When we breathe out our rib cage swing inwards and downwards, diaphragm relaxes and arches up, lungs become smaller and air is drawn out. The thorax size also decreases.
• During inhaling the concentration of oxygen is more
• During exhaling the concentration of carbon dioxide is more.

Someone please help what goes with what


1. An atomic particle with a negative charge

2. An atomic particle with a positive charge

3. An atomic particle with no charge or neutral

Answers

Yellow is a proton
Blue is a neutron
Red is an electron

Answer:

yellow is a proton

blue is a neutron

orange is an electron

Explanation:

The neutrons and protons are in the center of the atom, and the electrons circle around the center.

Other Questions
Add a subbordinating conjunction in this sentence. a car is stuck in the mud father gets a wrecker to pull it out PLEASE HELP!! I WILL GIVE BRAINLIEST AND POINTS!!The safety inspector notes that Ray also needs to plan for a vertical ladder through the center of the coaster's parabolic shape for access to the coaster to perform safety repairs. Find the vertex and the equation for the axis of symmetry of the parabola, showing your work, so Ray can include it in his coaster plan.f(x) = -x2 - 6x A. That he go to England to track down macduff B. That he will force Macduff to fight with him C. That he will take action instead of being indecisive D. that he will only listen to the witches prophecies A runner has a speed of 5 m/s and a mass of 130 kg. What is his kineticenergy?O A. 1625 JB. 3250 JC. 875 JD. 325 J A motorist drives at an average speed of 80 km/hr. How far does she travel in 3(1/2)hours? Choose the FALSE statements. In Simple harmonic motion,I. The velocity of the object does not change at all position II. The acceleration of the object does not change at all position.Ill. When velocity is zero, acceleration is also zero IV. The velocity has maximum magnitude at the equilibrium position.V. When the net force is maximum, the velocity is zero.A. I and IIB. III and IVC. IV and VD. I, II and IIIE. I, II, III and IVF. I, II, III and VG. All the above statements are false. What are similarity and difference between delayed payment and trade credit? Help me pls, I have a time limited please help me with this question. find the exact circumference of the circle using the given inscribed polygon please help me If AABC= A DEF, which congruences are true by CPCTC? Check all thatapply. APEC correct answer is:AB =DEAC= DFSee photo. what is the examole of equal set ? A builder only has a few properties available in a development. He feels that it is no longer necessary to have his onsite sales agent market these properties and decides to list the properties with a local brokerage firm. He wants to reward a particular firm for their past sales of his homes but wants to allow all of the local firms to market these properties. The type of listing that will accomplish this is Enter the correct answer in the box.if x 0 what is the sum of 4 ^3/ x^10 + 5 3 ^3/8x in simplest form? Ignore the answer thats already there The relationship between the amounts of blueand red paint needed to make a certain shadeof purple is shown in the following graph.10+9+8+76Liters of red paint5+4+3+21312Liters of blue paintWhich statements about the graph are true?Choose all answers that apply: Why is it important to pick a narrator carefully when planning to write a narrative? The narrator tells the story, but it is the reader who controls how events are imagined. The narrator's point of view determines the sequence of events. O The narrator must know what all characters think at all times. O The narrative will change depending on the narrator's tone and point of view. If the PH or the temperate where the enzyme is located changes, the enzyme is very likely todenature (become inactive/ stop working)TrueFalse Five children have to form a queue. In how many different ways can they be arranged?A. 120B. 100C. 60 D. 80 Please show me 3+2 (2x - 4) and can you please show the work? For the following set of data, find the percentage of data within 2population standard deviations of the mean, to the nearest percent.58, 77, 31, 54, 58, 54, 56, 58, 56 ......................................... Find the value of x if x/3-2=6