You are presented with the question "What can liquid waste be?" and the following answer choices: 
- gas
 - Gaseous
 - Solid
 - Acidic
 - acid rain
 - expelled
 - Static
 - dangerous

Now knowing that urine is the liquid waste product of the body that is excreted by the urinary system and acid urine is usually darker thatn alkaline urine, choose the best answer.


 

    Acidic     