Which is an abiotic factor that can be found in a rain forest ecosystem?
a: bacteria
b: water
c: animals
d: trees

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

Which law represents a balanced chemical equation?