Question

a gas that plants release (product) during photosynthesis
choose an answer
1 nitrogen
2 oxygen
3 carbon dioxide
4 hydrogen

Explanation:

Plants take in carbon dioxide (\(CO_2\)) and water (\(H_2O\)) during photosynthesis. Using sunlight as energy, they produce glucose (\(C_6H_{12}O_6\)) and oxygen (\(O_2\)). Oxygen is released as a by - product (gas) into the atmosphere. Nitrogen (\(N_2\)) is not a product of photosynthesis. Carbon dioxide is a reactant in photosynthesis, not a product. Hydrogen (\(H_2\)) is not a gas released by plants during photosynthesis.

Answer:

1. oxygen