Classify the numbers based on their position in relation to -1.5 on the horizontal number line. -1.9
2.3
-3.5
5.4
-0.4
-2.9

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.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex