You are presented with the quiz "Persistent drought and food shortages can cause animals to leave what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says 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 "many areas are mostly affected by the persistent drought in the shortage of food and water". 

So, what's the best answer to the question?


 

      that environment     