How dose an atom become an ion with a - 2 charge?

Why would wearing several layers of clothing keep you warmer than wearing one heavy coat?

Heat transfer by conduction?

The energy associated with the motion and position of an object is called A. kinetic energy. B. potential energy. C. gravitational potential energy. D. mechanical energy.

What is biodiversity? q

The specific gravity of mantle rock is about 3.3. True False

The spinning of earth on its axis causes the apparent rising and setting of the

20 m/s can be an answer for velocity true or false

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F