Fact 1: Intense heat has a negative impact on an organism.

Fact 2: Intense Sunlight and Heat Intense sunlight and heat are present in all arid areas.

Given the two facts above, answer the question "Intense _  has a negative impact on an organism" with the following options: 
- influenza
 - Sunlight
 - Solar energy
 - competition
 - growth
 - air
 - Dehydration
 - darkness


 

  Sunlight       