What is the difinition of biochemistry?

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

What best describes lactic acid fermentation?

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