subject
Biology, 15.01.2020 22:31 lizzyhearts

1.
a. carbon dioxide
b. methane
c. nitrogen

2.
a. cells
b. groundwater monitoring station
c. methane collection system


1.  a. carbon dioxide  b. methane  c. nitrogen  2.  a. cells

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Answers: 1

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You know the right answer?
1.
a. carbon dioxide
b. methane
c. nitrogen

2.
a. cells
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