It would be the second, Proofreading.
-When you proofread, you double check everything to make sure it’s grammatically correct and that there are no mistakes before you submit.
Answer:
gallons
Explanation:
the other ones are smaller
Yes indeed, very solid point here
“That has a ring to it” “got the hang of it”
2 times 6 is twelve (if you need to show your work) and the answer is twelve.