A. There should be an apostrophe on the it's, because it is saying, "only some of it is clean and safe enough to drink." The apostrophe should be on that word because it breaks the word down into it is, which is correct in the sentence.
Cndmdldllflcmcmcmmfmflflflmfmf
Answer:
A caterpillar
Explanation:
It has no wings, but will fly when it matures and becomes a butterfly