Which activity would help maintain homeostasis during exercise? increasing the amount of water excreted from the kidneys

decreasing the heart rate

developing goose bumps on the skin

speeding up the rate of breathing

Speeding up the rate if breathing

Explanation:

The more and quicker you breathe, the more oxygen your cells get

spectral lines lyman is one set

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.