Which of the answer choices is a true statement? select all that apply. nonmetals usually exist as molecules, combining with atoms of themselves. nonmetals can exist on their own as individual atoms. metallic elements usually exist as molecules, combining with atoms of themselves. metallic elements can exist on their own as individual atoms.

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.

Does heating a metal wire increase or decrease its electrical resistance? why?