The first option Forsure .
Answer:
Atomic Mass
Explanation:
it is also sometimes below the symbol of the element :)
A. Oxygen is produced during cellular respiration and stored during photosynthesis. B. Carbon dioxide and water released by cellular respiration are used in photosynthesis. C. Photosynthesis releases the energy that is stored during the process of cellular respiration
hope it helps
Answer: carbon dioxide and water
Explanation:
C3H8 + 5O2 —> 3CO2 + 4H2O
