The vacuole is most like a

A vacuole is a structure found in animal, plant, bacteria, protist, and fungi cells. It’s one of the largest organelles found in cells, and it’s shaped like a large sac. Vacuoles have a simple structure: they are surrounded by a thin membrane

Explanation:

B because water balloons store water and so does a vacuole

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times