When charges build up on a surface they:

apply a force to charges wandering nearby

create an electric field

A and B

A or B

You are trying to determine the specific gravity of an unknown liquid. If m is the mass of a solid object, mL is the object's apparent mass in the unknown liquid, and mA is the apparent mass of the object in water, what is the formula for the

What term refers to a force acting on a body as a result of acceleration where one unit is equal to the force of acceleration due to gravity on earth's surface? a. a-force b. e-force c. g-force d. j-force

If a certain material heats up quickly and cools down quickly, the material likely has

Which is a major area of study in psychology

What is significant about the temperatures - 40° F and - 40° C?

Muscle control is the ability to quickly change directions and make complex movements

According to the first law of thermodynamics, what could happen when heat is added to a system? The internal energy of the system decreases. The heat is turned into work done by the system. New energy is created within the system.

How does a parallel circuit differ from a series circuit? A. A parallel circuit has one path for electrons, but a series circuit has more than one path. B. A series circuit has one path for electrons, but a parallel circuit has more than one path. C.

When a potassium ion (k+) enters a gaurd cell it creates a solution of what?

If two plates diverge at a rate of 1.3 cm/year, how much farther apart will the plates be after 200 million years?