Ceratin bacteria convert nitrogen gas into ammonia through a process called A denitrification
B ammonification
C nitrogen fixation
D decomposition

What is the name of the two satelites on mars

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.