Question

1. How will photosynthesis affect oxygen levels?

Answer 1

Raises O₂ levels

Step-by-step explanation:

Photosynthesis is a chemical reaction that occurs within plants in the chloroplasts, using CO₂ and water to produce O₂ and glucose:
6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂