You Plant a Seed into a Pot Containing Some Soil,and

Multiple Choice

You plant a seed into a pot containing some soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.This indicated that _________ was occurring.

A) Photosynthesis
B) Cellular respiration
C) Sucrose production
D) Alcohol fermentation
E) Fertilization