You are presented with the question "what excess does excretion remove from the body?" and the following answer choices: 
- fat
 - pH
 - H20
 - mL
 - Urea
 - rice
 - H2O
 - Fe

Now knowing that excretion is the process of removing wastes and excess water from the body and water is made up of H2O molecules, choose the best answer.


 

       H2O  