Explain how active transport occurs ​

The movement of dissolved molecules into or out of a cell across the cell membrane, from a lower concentration to a higher concentration, is known as active transport. The particles use energy generated during breathing to travel against the concentration gradient.

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b) the inside picture would look at a very high temperature in a very low ph

i wish i could with all of them i can barley see the first one so here's the answer to the first one b