Angiosperms differ from gymnosperms in that angiosperms a) bear fruit. b) produce eggs. c) produce two gametophytes. d) pollinate by wind, insects, or animals.

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance