Which type of change happens when water gets into tiny spaces in

a rock and freezes?

erosion

physical weathering

depositing sediment

chemical weathering

Shaun is 68 miles away from Keegan. They are traveling towards each other. If Keegan travels 7 mph faster than Shaun and they meet after 4 hours, how fast was each traveling?

Briefly lay out steps of using the tully fisher method.

A passenger on your boat falls overboard. what should you do while this person is being pulled back into the boat?

An electric field is e = 200 n/c i for x > 0 and e = - 200 n/c i for x < 0. a cylinder of length 20 cm and radius 3 cm has its center at the origin and its axis along the x axis such that one end is at x = + 10 cm and the other is at x = - 10 cm.

Which of the following statement is true regarding the study of human development?

The mass of the Sun is 1.99 * 1030 kg. Jupiter is 7.79 * 108 km away from the Sun and has a mass of 1.90 * 1027 kg. The gravitational force between the Sun and Jupiter to three significant figures is * 1023 N.

You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 50 times mu naught over pi end fraction at a distance of r = 7.5 cm. How much current is running through the wire?

In any food chain or web, the original source of energy is

Which organisms develop gills from pharyngeal arches and later develop lungs to breathe on land

How much energy (in joules) is required to evaporate 0.0005 kg of liquid ammonia to vapor at the same temperature?