Question

why does warm air rise up? answer in 2-3 lines.​

Answer 1

Answer:

In summary, hot air rises because it is less dense than the surrounding air. Answer 2: Hot air pushes out on the air around it, and thus becomes less dense. Less dense air rises because the denser, cooler air sinks because it is heavier and gravity pulls on it more strongly.

Explanation:

Answer 2

Answer:

Cold air denser than warm air, so it falls through the warm air. warm air being light rises up.

Hope it helps you.