Nitrogen fixation, N2 --> NH3+, is not something that plants to by themselves but some plants have bacteria that does this. I believe that pea plants have these, but I'm not 100% sure.
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The answer is...
B. Cooling as the lava runs down the mountain.
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Answer:
COUNTRY/ Material
Explanation:
those are just obvious answers
While helping plants it can affect bugs,reptiles,mice,etc because of the chemicals it can decrease the population of a living species and affect the food chain