Asked by Beatrice

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

2. 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.
D?

3. 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?
Answered by Mary
#1 is A
#3 is D
idk about #2
Answered by Beatrice
I tried with the Answers you gave me the first time I submitted the test but it told me it is incorrect. I thought those were correct as well..
Answered by Mary
Well, that's ridiculous... I'm sorry! But those answers would make sense..
Answered by mstv
Is this 8th grade connexus?
Answered by Mary
hey I'm from there
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