The medium through which a sound wave passes can be a solid, a liquid, or a gas. properties of a wave might change when it moves from one medium to another. what happens to the speed of a sound wave when the medium changes from a gas to a solid?

it speeds up and then slows down.

it slows down.

it speeds up.

it remains the same.

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!