Which interaction of body systems is an example of homeostasis?
a. you remember a happy moment, and you smile.
b. the nervous system stimulates muscles to move in the right leg.
c. the endocrine system other systems respond to a danger in the environment.
d. when blood sugar is high, hormones stimulate cells to take up sugar from the blood.

What best describes the structure of the declaration of independence?

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases