D) an environment filled with the greenhouse gas
A) The lower the temperature, the higher the amount of methane emissions.
C) When exposed to sunlight, plants stop releasing methane.
4. What of the following about methane is Not mentioned in the passage?
B) Plants growing in water release methane.
D) Microbes in plants produce methane.
A) Methane becomes less poisonous.
C) Less methane reaches the atmosphere.
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