To become or stay physically fit, you should exercise and eat healthy.
O A. True
B. False

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Which best describes carbon dioxide’s path out of the body

What are the ingredients of oobleck?