Please help its due in 2 mins

A) The continents were at one point a single large landmass

Explanation:

This is the most probable event and is a common fact. You see many different habitats have the same properties but are in two different places.

archaebacteria are found in in forest soil.

hope i spelled it right lol

hope i

-lavira: )

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.