Question

Fill ups plzz



And plz don't answer if u dont know the answer this is my second time asking the same question bcoz of one boy ​

Answer 1

Answer:

hope it's helpful

Explanation:

1- length

2 - Fractional distillation is the process by which oil refineries separate crude oil into different, more useful hydrocarbon products based on their relative molecular weights in a distillation tower.

3- ctenidium is a respiratory organ or gill which is found in many mollusks. This structure exists in bivalves, cephalopods, Polyplacophorans (chitons), and in aquatic gastropods such as freshwater snail and marine snails.