Name two devices that use electromagnets. explain your purpose

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island