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) sucrose production
B) photosynthesis
C) fertilization
D) cellular respiration
E) alcohol fermentation