EARTH SCIENCE

1. Which gas is a source of natural groundwater pollution?
A. Carbon
B. Oxygen
C. Hydrogen
D. Radon
C?

2. Which of the following statements best describes chemical weathering?
A. It happens only in cool environments.
B. It's the type of weathering in which rocks and minerals break down into smaller pieces.
C. It always results in dome-shaped formations.
D. It's the process by which rocks and minerals undergo changes in their composition.
D?

3. Which of the following is not a process of a stream load?
A. Bed Load
B. Materials in solution
C. Divide
D. Suspension
C?

4. A stream channel is formed when water
A. carves a very deep and wide channel into rock.
B. carries minerals into the ocean.
C. creates a depression, which forms a lake.
D. carves a narrow path into rock.
C?

5. How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite?
A. 3
B. 10
C. 23
D. 2
A or B?

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  1. you are correct on 2 and 3

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  2. Thanks.
    1 is it D?
    4 is it D?
    5 is it A?

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    posted by Beatrice
  3. Which of the following best describe as it relates to earth science

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    posted by lotoya
  4. The second one is NOT B!

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    posted by Imani
  5. yes 3 is right.

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  6. 4. A stream channel is formed when water

    D. carves a narrow path into rock.

    this is the correct answer. I'm 100 percent sure.

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    posted by hayes

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