↓asap! ↓these are the two most abundant gases in our atmosphere, combining to equal 99% of the atmospheric composition. 1) nitrogen and carbon dioxide2) carbon dioxide and oxygen3) oxygen and nitrogen4) nitrogen and argon

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?