What body part belongs to the circulartory system a. diaphragm b. heart c. trachea d. kidney

Record breaking low temperatures are associated with which air mass?

A seed that is alive is called

What motivates you to learn physics?

A sample of a gaseous substance changes into a liquid

Which best describes the moon's regolith? A. weathered rock and organic material B. dust and rocks C. water and small organisms D. ice and gas

The gravitational force strength on the moon is 1.63N/Kg if the rock on the moon weighs 200N how much does the same rock weigh on the earth

A certain sound contains the following frequencies: 400 Hz, 1600 Hz, and 2400 Hz. Select the best description of this sound. A. This is a pure tone. B. This is a complex tone with a fundamental of 400 Hz, plus some of its overtones. C.

A calorimeter contains 195 g of water at 20.4 º C. A 37.8 g sample of an unknown metal is heated to 133 º C and placed into the water in the calorimeter. The final temperature of the metal and the water are 24.6 º C.

What is the mass of a steel ball, plastic ball, and a golf ball?

Why do the pipes in a steam-heating system need to be insulated?