Answer:
C. He takes a rough sketch and uses his own artistic skill to draw it more clearly
Answer:
1st one is the answer water cannot be purified by nature pls add me in brainliest
Answer:
2
Explanation:
There are 3 carbons on the right side
there are only two on the left side....you need one more ...so add one more... change the '1' coefficient in front of C to '2'