You are presented with the question "what might leave an environment to find food and water if those things decrease?" and the following answer choices: 
- bears
 - humans
 - pigeons
 - Lobsters
 - grass
 - clouds
 - h2o
 - omnivores

Now knowing that if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water and all humans are animals, choose the best answer.


 

  humans       