Asked by ❄ Snowflake ❄

What is not an advantage of using a greenhouse to grow plants?
Select one:
a. Greenhouses keep plants warm***
b. Greenhouses keep nutrients in the soil for plants
c. Greenhouses keep plants away from pests
d. Greenhouses keep humidity in the air for plants
Answered by ❄ Snowflake ❄
The answer was actually b.