Which is an example of why the process of photosynthesis is important to life on earth?

Grass uses photosynthesis to produce glucose, which is used within the grass for growth.

Explanation:

Options:  

A) Grass uses photosynthesis to produce glucose, which is used within the grass for growth.

B) Fungi use photosynthesis to decompose dead and decaying plant matter.

C) Cold-blooded animals use photosynthesis to convert sunlight into energy for cell functions.

D) Green plants use photosynthesis to remove oxygen gas from the atmosphere and replenish the earth’s carbon dioxide

Because plants are the only domain able to undergo photosynthesis, only the first and last options can be considered applicable. The last one is incorrect because, green plants use carbon dioxide to undergo photosynthesis and emanates oxygen. Proof of this is the Photosynthesis equation: 6 CO2 + 6 H2O + light --> C6H12O6 + 6 O2.  

did you fail the test? xd