An example of a physical change is A) crushing a rock

B) shirt fading in the sun

(From USATESTPREP)

A: Crushing a Rock

Explanation:

The rock is physicially being broken down and turned into either smaller pieces of rock or dust if you pound it hard enough.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !

answer///carbon;