Why is it warmer near the equator than near the poles?

A tree is blown down by wind

Explain what happens to the motion of a particle as a wave passes through a medium. How is the motion of the particles like the motion of a mass on a spring

Describe the chemical makeup of most stars?

How does the speed of an object relate to the energy of the object

Which statement best describes the skier? The skier has potential and kinetic energy. The skier has only potential energy. The skier has only kinetic energy. The skier does not have potential or kinetic energy.

When you see a straw in a glass of water it looks bent why is this?

Compare the energy and wavelength of a microwave to the energy of a gamma ray.

T/F all compounds are molecules but NOT all molecules are compounds.

particle is projected from the surface of the planet Krypton with a speed equal to 3.6 times the escape speed from that planet's surface.

Does the box contain positive charge, negative charge, or no charge? Does the box contain positive charge, negative charge, or no charge?