If a decision was made to increase agriculture fertilizer application, which would be an example of a negative trade-off based on this decision?

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

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.