Question

click the formula sheet to access resources for your test. question 6 (1 point) listen in the summer the air in the basement is cooler than the air at the top of the stairs because cool air sinks. which of the following is the cause for this phenomena? cool air is less dense and rises the hot and cool air are equal hot air is more dense and sinks hot air is less dense and rises

Explanation:

Density of air changes with temperature. Hot air has lower density than cool air. Less - dense substances rise in a fluid (air is a fluid), so hot air rises and cool air sinks.

Answer:

hot air is less dense and rises