Fact 1: Aplant requires sunlight to grow.

Fact 2: During the day, sunlight warms the soil.

Given the two facts above, answer the question "When do plants grow the most?" with the following options: 
- week days
 - during the day
 - during winter days
 - bloom time
 - one celled organisms
 - by indirect light
 - in the morning
 - in the autumn season


 

  during the day       