The nitrogen cycle is an example of a(n) (biogeochemical / decomposer)

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

a symbiotic relationship with the mitochondria

d. groundwater flows through the subsoil and deposits minerals.