Fact 1: Conserving water can be used for survival in a dry environment.

Fact 2: Survival is the continuance of individual and species life.

Given the two facts above, answer the question "Conserving water can be used for the continuance of life in a what environment?" with the following options: 
- H20
 - rainy
 - aquatic
 - soil
 - undersea
 - bogs
 - dry
 - fens


 

       dry  