Cholesterol is an important biomolecule precursor for hormones. What functional group(s) are present

Hydroxyl group, carbon group

Explanation:

This is because cholesterol is a lipid that has four linked hydrocarbon group called sterol. The sterol is the hydroxyl group which form hydrogen biynd with the neighbouring carbonyl oxygen of phospholipids head.

Cholesterol is found in the cells if the body and it is a precursor for producing vitamin D and steroids hormones like aldosterone, cortisone e.t.c

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: