Fact 1: Poison causes harm to living things.

Fact 2: Like all living things, human beings are affected by their environment.

Given the two facts above, answer the question "what does poison cause harm to?" with the following options: 
- people
 - animals
 - antifreeze
 - Most plants
 - the sun
 - human beings
 - wood
 - heterotrophs


 

      human beings   