Answer:
b
Explanation:
its b because it doesnt say any else then 15 or any clues so its tryna trick u
Answer:
C
Explanation:
The water won't be able to penetrate the ground so can't become ground water and reservoirs are usually above ground not underground so it will become run off.
Your outer skin is your epidermis, so just look at your arm
The enzyme pepsin functions with a very low pH of around 2. It is found in the stomach, with the acidity coming from the hydrochloric acid present there. it breaks proteins into amino acids.
