Question

select the part whose main job is to store waste in the cell. vacuole smooth endoplasmic reticulum rough endoplasmic reticulum mitochondria

Explanation:

The vacuole is a cell - organelle that can store waste products among other substances. The smooth endoplasmic reticulum is involved in lipid synthesis and detoxification. The rough endoplasmic reticulum is related to protein synthesis. Mitochondria are the power - houses of the cell, generating ATP.

Answer:

vacuole