Which sentence describes a physical property a. golf balls do not float in water b. a mixture of baking soda and vinegar will bubble c. some kinds of nails will rust d. paper will burn very easily if lit by a match

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

If element x has 99 protons how many electrons does it have