Why do a cars tires need more air in the winter than they do in the summer?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.