The fact that a thermometer "takes its own temperature" illustrates:

A. energy conservation.
B. thermal equilibrium.
C. that molecules are constantly moving.
D. the difference between heat and thermal energy.

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional