When the solar system was very young, the sun was just being formed and planets had not yet been made. The solar system was mostly gas and dust. Which statement best explains how planets formed in the early solar system?
A.Planets formed from magnetism in space that interacted with light from the stars.
B.Planets formed from large asteroids that had broken apart.
C.Planets formed from molten metal in volcanic eruptions.
D.Planets formed from small amounts of debris that were attracted together because of gravity.
Answer:
Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. ... When this dust cloud collapsed, it formed a solar nebula—a spinning, swirling disk of material. At the center, gravity pulled more and more material in.
Explanation:
When the solar system was very young, the sun was just being formed and planets had not yet been made. The solar system was mostly gas and dust.
in conclution its d
Planets formed from small amounts of debris that were attracted together because of gravity.
D. Planets formed from small amounts of debris that were attracted together because of gravity.
A dense cloud of interstellar gas and dust formed our solar system roughly a billion years ago. A solar nebula—a whirling, swirling disk of material—was produced when this dust cloud collapsed. Gravity drew more and more material into the center. The sun was still forming and planets had not yet been created when the solar system was very young. The solar system consisted primarily of gas and dust.
D. Planets formed from small amounts of debris that were attracted together because of gravity.
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What is biodiversity?
a
The variety of organisms in an ecosystem
b
Studying about life in an ecosystem
c
The different types of ecosystems
Can happen through solids, liquids, gases, and vacuum. Please explain why is that answer?
A. Radiation
B. Conduction
Answer: The is is A. Radiation
Explanation:
The general formula for
reactant + reactant - product
---->
A. Decomposition Reaction
B. Synthesis Reaction
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The diagram shows interactions of the Sun, air, Earth’s surface, and water.
1 condensation a ocean
2 precipitation b land
3 runoff c lake
4 transpiration d infiltration
5 evaporation e groundwater
f stream
Part A:The water cycle is driven by heat from the sun.Using evidence from the diagram, explain why scientists are able to make such a claim.
Part B:Identify two processes in the water cycle that are driven by the force of gravity.
Please make sure you are correct thank you!!
Answer:
F.
Explanation:
Steam is a gas formed when liquid is heated.
Which situation is an example of heat transfer by radiation?
Answer:
This type of transfer takes place in a forced-air furnace and in weather systems, for example. Heat transfer by radiation occurs when microwaves, infrared radiation, visible light, or another form of electromagnetic radiation is emitted or absorbed. An obvious example is the warming of the Earth by the Sun.
Answer:
the heat from the hotter to the colder region. Some common examples of Radiation are Ultraviolet light from the sun, heat from a stove burner, visible light from a candle, x-rays from an x-ray machine. All life on Earth depends on the transfer of energy from the Sun, and this energy is transferred to the Earth over empty space.
changes of state occur when there is a change in:
A. thermal energy
B. Electromagnetic
C. Chemical energy
D. Electrical energy
Answer:
I believe it is chemical energy
Explanation:
Sorry if I am wrong (rate one star if it is wrong)
Which best describes a magnetic field?
a push or pull in the region around a magnet.
either end of a magnet
a switch that controls a magnet
any materials that is attracted to a magnet
Answer:
I think its 3
Explanation:
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Answer:
a push or pull in the region around a magnet .
Out of the 3 of these
Protons Neutron and electrons witch of these are responsible for a charge that can be transformed from one object to another.
Please help!!
Look at my screenshot and please help me analyze this!!
Answer:
I think location 2
Explanation:
cause there barely isnt land there
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Which of the following is NOT a characteristic of all living things?
a. lifespan
b. locomotion
c. production of wastes
d. energy requirement
Answer:
I think your answer would be b. locomotion
Explanation:
hope this helps and srry if wrong
Which rock is an example of a clastic sedimentary rock?
shale
iron ore
rock salt
limestone
Answer:
the correct answer has to be shale
Explanation:
hope it helps
Explain why you agree or disagree with this statement
''Friction is a way to create electricity because it creates charged particles. ''
Answer:
Agree
Explanation:
The way it makes electicity is that it rubs together fast enother it makes the particles move.
Sorry I can't do better
The picture shows a sedimentary rock that was formed from crystalized minerals.
Answer:
Okay, I agree with your answer!
Explanation:
Relative Dating Using Index Fossils
Index fossils can help geologists compare rock at locations .
• First, geologists give a relative age to a layer at one location.
• Index fossils help identify where may have occurred.
• Then that layer can be to other locations.
The answer choices is layers, distance, compared, unconformities
Index fossils can help geologists compare rock Layers at Distance locations.
Index fossils help identify where Unconformities may have occurred.
Then that layer can be Compared to other locations.
In a tropical rain forest, tall trees crowd together, blocking the path of sunlight to the wet forest floor. Among the plants adapted to these conditions are climbers, such as vines that grow up along the tree trunks. Other plants, such as orchids, grow attached to tree branches and are not rooted in the ground. Even a small area of forest provides various habitats for vast numbers of animal and plant species. Many insects and birds are plant pollinators. Fruit-eating animals, such as birds and bats, spread seeds. Insects, fungi, and bacteria break down plant and animal matter, releasing nutrients into the soil. Predators, such as jaguars and snakes, feed on smaller animals.
Tell how a biotic living thing relies on another biotic living thing.
Tell how an biotic living thing, relies on an abiotic factor.
Sentence Starters:
1) A living thing like ______________ relies on a ________________ because
2) A biotic living thing like _______________ relies on an abiotic factor like _____________ because....
4Points
Please provide at least 4 complete sentences for these answers.
Answer:
A living thing like a cheetah relies on a flat land biome because a biotic living thing like a cheetah relies on an abiotic factor like sunlight and vision.
Explanation: Because how would they hunt.
Biotic and abiotic factors both are dependent on each other.
What is biotic and abiotic factors?Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere.
Abiotic factors in a tropical rain forest include water, a warm climate, sunlight, and soil nutrients. All organisms and populations in the tropical rain forest depend on water and warm temperatures. Plants depend directly on sunlight and soil nutrients.
Biotic factors in a tropical rain forest include all of the organisms that live there. Vines and orchids depend on the trees as a way to reach the light.
Some plants depend on insects or birds for pollination, or birds or bats to spread their seeds. Indirectly the plants depend on organisms that release nutrients into the soil.
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.
What things should be done before demolition begins to keep workers, other people, and other properties safe if a building fell down?
Answer:
Occupational Safety and Health
Explanation:
For example there should be quick exits in an emergency which includes occupational safety. Plus, there should be medical supplies which explains the need of safety
Which is NOT a reason why organisms communicate with one another?
a
To find a mate
b
For protection
c
To find housing
d
To acquire food
Answer:
C. to find housing.
Explanation:
i hope this helps :)
During the time period than an El Nino is occurring, there is a buildup of cold water of the west coast of South America there is a buildup of warm water off the coast of South America the trade winds get stronger and cause a cooling of the surface water of the ocean Antarctica will have a dramatic increase in its temperature
Answer: there is a buildup of cold water of the west coast of South America.
Explanation:
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Microwaves have a higher _____________ than radio waves. Different ______________ of microwaves provide different information to scientists. Most microwaves are used in ___________________________.
Answer:
Radio waves are electromagnetic waves within the frequencies 30KHz - 300GHz, and include microwaves. Microwaves are at the higher frequency end of the radio wave band and low frequency radio waves are at the lower frequency end.
Explanation:
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Answer:
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Explanation:
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Which phrase describes a feature of igneous rocks that cool quickly during formation?
small crystals
coarse surfaces
found beneath Earth’s surface
exposed after erosion occurs
Answer:
Small crystals
Explanation:
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Humans cannot see infrared light but can detect it as ___________. Common infrared use is for ________________________.
Answer:
THERMAL IMAGING Our eyes cannot see these infrared waves but instruments that can sense infrared energy—such as night-vision goggles or infrared cameras–allow us to "see" the infrared waves emitting from warm objects such as humans and animals. The temperatures for the images below are in degrees Fahrenheit.
Explanation:
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Answer:
infrared waves, or infrared light, are part of the electromagnetic spectrum. People encounter Infrared waves every day; the human eye cannot see it, but humans can detect it as heat.
Explanation:
Which climate has subclimates with humid summers as well as subclimates with long, bitterly cold winters?
polar
tropical rainy
temperate marine
temperate continental
D. Temperate Continental.
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Two dogs are pulling a disk, but the disk is not moving. The disk does not move because the forces are (select one: unbalanced, balanced, in motion, at rest.)
Answer:
unbalanced
Explanation:
because two dogs are pulling it so it's not going to be in place?
The Amazon River greatly impacts the environment of South America because...
A
it regularly dries up and forces the people to move to the cities to work for food.
B
it regularly floods forcing the people to move to the city for better housing.
C
it is the home of very few plants and animals and the people are not able to live off of the land.
D
it is the home of many different plants and animals that the people are able to use for food and medicine.
How does hot object produce heat?
The hot objects create hot air producing heat.
Movement of the hot object creates heat.
Molecules in the hot objects create friction to produce heat energy.
Heat is absorbed the object from the air around it.
Sound, earthquakes, and waves in water are mechanical waves because they require a physical ______________________ to transport energy.
Disturbance
Electromagnetic field
Location
Medium
Sound, waves are all propagation of energy. Transport of this energy require a physical medium. Thus option D is correct.
What is mechanical waves?Mechanical waves are a form of energy transfer by oscillation of matter and they require a medium to propagate. Sound wave is a longitudinal wave which is only passing through a medium of air. Air disturbance causes these sound waves.
Longitudinal waves are those where the direction of oscillation of matter is along the direction of propagation. Electromagnetic waves does not require a medium to travel.
Waves in water originates from the pressure difference in water earthquakes is caused by seismic waves which are transverse waves, where the oscillation of matter is perpendicular to the direction of propagation.
Hence, sound, earthquakes, and waves in water are mechanical waves because they require a physical medium.
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Which type of Symbiotic Relationship is being described?
A human gets biten by a mosquito. The mosquito gets blood to drink, and the human gets an itchy bite.
a
Mutualism
b
Commensalism
c
Parasitism
Answer:
C. Parasitism
Explanation:
Mutualism means both organisms benefit. An example of this is a bee and flower.
Commensalism means one organism benefits and the other is unaffected. An example of this is a whale and barnacles.
Parasitism means one organism benefits, and the other is harmed. An example of this other than mosquito and human is a dog and fleas.
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