Fact 1: Agreenhouse is used to protect plants from the cold.

Fact 2: If it is too cold, certain plants will freeze and die.

Given the two facts above, answer the question "A greenhouse can protect plants from what?" with the following options: 
- colder weather
 - blooming
 - pollination
 - massive damage
 - Brutal temperatures
 - Movement of an air mass
 - photosynthesizing
 - freezing and dying


 

        freezing and dying 