Manuel eats lunch in the cafeteria every day. How does his digestive system make use of the lunch he eats? a
A. It changes the food into cells that protect the body from illness.
b
B. It converts food into oxygen that is absorbed into the blood.
c
C. It breaks down some food into usable material for the body and discards the rest.
d
D. It breaks down food into the chemicals needed by the body to regulate temperature.

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