The nutrients which serve as the main sources of energy for the body are
a. proteins.
b. fats.
c. carbohydrates.
d. vitamins.

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Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

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