Which of these statements BEST describes rocks ?


A. Rocks may contain one or more minerals

B. Rocks are made inside the Earth's mantle


HELP ASAP

C. Just like minerals, rocks have a definite shape

D. Rocks and minerals have a definite chemical composition

Answers

Answer 1

Answer:

C

Explanation:

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Answer 2

Answer:

D

Explanation:

Rocks and minerals have a definite chemical composition


Related Questions

The folded mountains is an example of which type of plate boundary?

Answers

Answer: Contential Crust

Explanation:

NEED BIG HELP 30 POINTS a please hurry and no links. Please make the answer correctly.
3. How do gases from the air help break down rocks?

4. How does erosion make more soil? *

5. Explain how erosion can be helpful to the environment. *

6. Explain how erosion can be harmful to the environment. *

Answers

Answer:

3) Chemical weathering changes the molecular structure of rocks and soil. For instance, carbon dioxide from the air or soil sometimes combines with water in a process called carbonation. This produces a weak acid, called carbonic acid, that can dissolve rock.

4) Soil erosion is a gradual process that occurs when the impact of water or wind detaches and removes soil particles, causing the soil to deteriorate. The impact of soil erosion on water quality becomes significant, particularly as soil surface runoff. Sediment production and soil erosion are closely related.

5) Natural soil erosion can play a beneficial role in the environment too. ... The erosion also helped cleanse the soil of any useless materials, such as rotting tree matter or nutrient-less dirt from the area. The replaced soil can often become nutrient-rich and help plant life thrive.

6) The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding.

Explanation:

3) Chemical weathering changes the molecular
structure of rocks and soil. For instance,
carbon dioxide from the air or soil sometimes
combines with water in a process called
carbonation. This produces a weak acid, called
carbonic acid, that can dissolve rock.
4) Soil erosion is a gradual process that occurs
when the impact of water or wind detaches and
removes soil particles, causing the soil to
deteriorate. The impact of soil erosion on water
quality becomes significant, particularly as soil
surface runoff. Sediment production and soil
erosion are closely related.
5) Natural soil erosion can play a beneficial role
in the environment too. ... The erosion also
helped cleanse the soil of any useless
materials, such as rotting tree matter or
nutrient-less dirt from the area. The replaced
soil can often become nutrient-rich and help
plant life thrive.
6) The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding..

Rift valleys can form when fractures in Earth’s crust widen. The valley walls slowly move at a rate of only a few millimeters a year. Which of these best describes the type of tectonic activity that forms rift valleys?

Answers

Answer: When fractures in the earths crust widen

Explanation:

if one test tube is being heat up by a bunsen burner and connected to another test tube that is not being heat up. Why would there be a flatline at one of point of their boiling point?!

Answers

Answer:

.

Explanation:

.

Present-day India is in South Asia, at the northern end of the Indian Ocean. What evidence found in India matches that of other locations?

Answers

Answer:

Pieces of evidence to support the hypothesis of continental drift. Mountain ranges near those continents' coasts seemed to line up, as though they had been made in the same place and at the same time!

Explanation:

PLEASE HELP ASAP WILL GIVE BRAINLIEST! ANIMALS YOU NEED TO USE ARE HERE: Algae, alligator, bacteria, bass, bear, bladderwort,bream,butterfly, butterfly larva, cattail, cute, crayfish, cricket, cypress tree, dandelion, Florida panther, fox, frog, fungi, Gambusa, garfish, gopher tortoise, grat, Kork, Heron, Killifish, Live oak tree, Millard duck, Manatee,mangrove trees, mice, mosquito, water, owl, pelican, Pine tree, rabbit, raccoon, Rattlesnake, scrub Jay, shrimp, skunk, snail, snail kite, water hyacinth, water lily, wild guava, white tailed deer, woodpecker, Woodstork, and worms.

Answers

Explanation:

algea bottom of foodchain with water worms and mice?

The photo is very blurry

How do seasons compare in the northern and southern hemispheres?

Answers

Answer:

When it's summer in the northern hemisphere, it's winter in the southern hemisphere, and other such.

Explanation:

Summer for north winter for south

Hey, I need to know what states each number and letter represents ASAP. Pretty sure this is on the Chesapeake Bay Watershed. No files please. Thanks!

Answers

i cant see a map to answer this
sorry :(
You should post a picture

please help me answer this question

Answers

one, and then more than one

Answer:

one/more than one trait in the polar bear

Explanation:

Because it was talking about hair cells

Why do you think DNA evidence is the best evidence for determining how closely related organisms are?

Answers

because it hdherhrheh

Answer:

DNA evidence can show the evolution patterns of organisms, the relationships among species, and how evolution occurs. Because of this, DNA evidence can show how closely related organisms are by comparing DNA and genetic codes to show their shared ancestry and how they evolved.

Hope this helps! :)

ok question: How would you explain this scientific concept or process to someone who has never heard of this before? Use details from the article to explain the concept or process. **the story is "what is biodiversity" on newsela***

Answers

Answer:

6000J I will try doing this on Monday or Wednesday if I have so is it correct for me that you were not in a relationship to me and you were the one that I have so much for your life that I have a question for when I

nhhuhuuuuhhhhjjh. gn. j. jjjnhd you

Describe the dangers faced by prehistoric hominids.

Answers

Answer:

Our ancestors met astonishing challenges in their surroundings, and were susceptible to disease, injury, and predators. Environmental change – one of the ongoing challenges to survival – created both risks and opportunities in the lives of early humans.

Explanation:

environmental change. susceptible to disease, injury, and predators

__________is the most important condition for fossilization.

Answers

wood tissue (witch in more detailed stans for shell, bone, and teeth)
The organism generally should have hard parts such as a shell, bones, teeth, etc. the remains must escape destruction after death, and the remains must be buried rapidly to stop decomposition. Animals with soft bodies are less likely to form fossils.

WHAT IS IT??????????

Answers

Answer:

I cant read...its too blurry

Explanation:

i can’t see the photo but i see a fox ??

complete the sentence. The DNA strands are coiled around ________. This allows DNA to be packaged very efficiently.

a. proteins
b. other DNA molecules
c. chromosomes
d. nucleotides

Answers

Answer:

a. Proteins

Explanation:

Chromosomes are made up of DNA tightly coiled many times around proteins

Answer:

proteins I think I know its now D

If you had shown mitosis in a plant cell instead of an animal cell, which feature would you have to change ?

Answers

i read that as "if you had shawn mendes"

In humans, a widow’s peak hairline is determined by the dominant allele (W), and a straight hairline is determined by the recessive allele (w). If a male is heterozygous for a widow's peak and a female has a straight hairline, what is the probability they will have a child with a straight hairline?


100%

50%

75%

25%

Answers

the answer is going to be B. 50 percent because there is an 50/50 chance the child will have a widows peak

I'll give brainliest to the person who gets it right with an explanation!
Which of the following is NOT a true statement about herbivores, carnivores, or decomposers?
Herbivores eat plants.
Omnivores eat other animals and dead organisms.
Decomposers break down dead organisms to release matter back into the environment.
Carnivores eat other animals.

Answers

Omnivores eat other animals and dead organisms is the wrong statement.

Omnivores are the animals which can eat both plants and animals.

Omnivores eat other animals and dead organisms is incorrect.

Omnivores eat plants and animals. They, in other words, are a combination of carnivores and herbivores

Summarize the functions of blood below by providing a description:
Protection
Transportation
And temperature regulation
If anyone could help me with this I say thank you!

Answers

Explanation:

Blood has various functions that are central to survival. They include:

supplying oxygen to cells and tissuesproviding essential nutrients to cells, such as amino acids, fatty acids, and glucoseremoving waste materials, such as carbon dioxide, urea, and lactic acidprotecting the body from diseases, infections, and foreign bodies through the action of white blood cellsregulating body temperature

What causes the air to spin?

a. Cold/dry air sinks below the warm/wet air and it is pushed upwards
b. The land around the tornado
c. A cloud reaches down from the sky
d. Warm/wet air sinks below the cold/dry air and it is pushed upwards

Answers

Cold dry air sinks below the warm wet air and it pushed upwards
Letter (A.)
d because the dry air gets mixed with the warm and wet air and causes this to happen tornado

PLSSSS HELPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Answers

Answer:

A

Explanation:

Fertilizations occurs in the fallopian tube.

Point "a" is located where the fallopian tube is at

Hence, fertilization is most likely to occur at point A

Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.

what is the purpose of DNA?
A. manufactures proteins
B. reduces activation energy
C. stores hereditary information
D. to aid in facilitated diffusion
Please help me, and only answer if you know the answer. Thanks! :)

Answers

Answer:

c ok your welcome my friend

C because that’s how your genes and chromosomes cross

Henry visits his aunt's house on Jacksonville Beach several times a year. He notices how much sand is between the ocean and the seawall in June. During July, there is a hurricane. In September, Henry notices that there is much less sand between the ocean and the seawall. What is the best explanation as to what happened to the sand?

A.
The wind from the hurricane destroyed the sand.

B.
The heavy rains from the hurricane packed the sand down.

C.
The hurricane created giant waves that washed away the sand.

D.
The hurricane damaged the sea wall, and the sand behind it washed away.

Answers

I think C. Or D. But probably C.

The loss of sand causes the beach to become narrower and lower in elevation (Figure 1). Storm waves carry the sand offshore, depositing and storing the sediment in large sandbars. In weeks and months following the storm, the sand is returned to the beach by calm-weather waves.

The beaches are water body that is characterized by the presence of sand barriers. The sand was reduced as the giant waves created by the hurricane, washed it away. Thus, option C is correct.

What is a hurricane?

Hurricane is a natural disaster also called a tropical cyclone that is characterized by a storm system with a center having low pressure and the surrounding strong winds with a spiral rotatory movement. This leads to heavy rain and winds.

The hurricane in the oceans causes giant oceanic waves to form, that comes to the seawall and take sand away with them. This leads to a decrease in the sand from the beach area. The waves wash the sand from the land, as the seawater is pushed on the seashore by heavy rains and storms.

Therefore, option C. hurricane washes the sand off the coast.

Learn more about hurricanes, here:

https://brainly.com/question/13661501

#SPJ2

What important decomposer did the econauts leave out of the biodome and why was that important?

Answers

Answer:      

Explanation:

PLZ ANSWER WILL BE MARKED BRAINLEST

Answers

Answer:

Iam not sure but I think it's position Y

The answer is Position X

Describe how the water molecules acted in the ice tray in the freezer

Answers

Answer:

Water is held together by hydrogen bonds, the strongest of inter-molecular forces. This is where a hydrogen atom in one molecule is strongly attracted to an electronegative atom (in this case, oxygen) in the other. When enough energy is absorbed by H2O, the molecules vibrate so vigorously that these bonds are loosened, giving them space to bounce around. This forms the liquid we all call and consider “water”.

Explanation:brainlest plz?

The molecules are moving because they have energy so as the liquid cools down, the amount of energy is reduced and the molecules start moving slower. When the temperature of water reaches about 0°C, the molecules stick together and form a solid – ice.

What is Solidification?

When the ice cube tray which contains water in liquid state is placed in the freezer, it gets converted into solid ice cubes due to decrease in temperature and this process of changing liquid to solid state is called  solidification.

It is a phase transition where a liquid turns into a solid when its temperature drops below the freezing point. This established definition of freezing means the solidification of a liquid or liquid material of a substance by a phase change which occurs due to cooling.

Thus, the molecules are moving because they have energy so as the liquid cools down, the amount of energy is reduced and the molecules start moving slower. When the temperature of water reaches about 0°C, the molecules stick together and form a solid – ice.

Learn more about Solidification, here:

https://brainly.com/question/1177067

#SPJ2

I will give brainliest and thanks to the first person to answer! :) What were the econauts in the biodome doing with their dead matter and how is it connected to the decomposers?

Answers

Answer:

Explanation:

the Econauts constructed an ecosystem sealed under glass—a biodome. Recently, the group noticed an ominous decrease in the populations of organisms: the ecosystem appeared to be in the process of collapsing. The occupants were safely removed from the biodome, but the cause of the crash is still a mystery.


The econauts buried dead matter below 6 feet and dead animals in bags =
decomposers need oxygen to exist so they couldn't get to the dead matter that deep in the ground or the dead matter in bags.
Decomposers died =
decrease in cellular respiration

decrease in cellular respiration =
less carbon dioxide in the air
The cycle goes on

There are more than 600 muscles in the human body. Your heart is a muscle. Muscles make you breathe and muscles hold you upright. Which of the following statements is correct?

Answers

Answer: 1& 2

Explanation:

If it is multiple choice it would be "there are more than 600 muscles in the human body" and "your heart is a muscle" It would be both because both statements are true - Good luck
2&3 they’re are almost exactly 600 and it said more so I believe it is 2&3

What PHYSICAL characteristics occur during the digestive process?

Answers

Here is what I found hope it helps :)
When food is physically changed, mechanical digestion occurs. Food is broken into smaller parts and mixes continually with enzymes and other gastric juices. Mechanical digestion occurs in the mouth, stomach, and small intestine. Food is chemically changed in digestion when new, smaller substances are formed.

Help pls asap ill give brainliest if u get i right ;)

Answers

Answer:

a

Explanation:

im pretty sure np!

the answer should be A, i don’t know i’m not good at this
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