Cat urine. May sound weird, may get it wrong, but it's true. Your teacher'll freak out.
Answer:
ok follow me twitter dm me for answer The Kid D is my twitter
Explanation:
After dipping the litmus paper strips in the solutions, the answer to the question is that one is acidic because according to brad's observation on turned red and the others are basic or alkaline with the two papers turning blue.
He could go at any of the first 3 times because he won't get back if he goes on the last. We need more information to help answer it.
