What determines the rate at which food and oxygen in a cell are used up and waste products produced

What is the best-known carbohydrate?

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure