Gneiss is a metamorphic rock that is formed when granite is subjected to extreme heat and pressure. This occurs in when:

shallow seas evaporate

mountains collide

fossil sediments form layers

magma cools and hardens underground

Find the resistance at 50°c of copper wire 2mm in diameter and 3m long

Explain how wind is the primary source for wave energy

Name the four fundamental (basic) forces.

A tow truck moves an illegally parked car with 4598J of kinetic energy. The car weighs 2222 kg. At what speed is the tow truck pulling the car?

Us your understanding of asexual reproduction to explain why is it important that organisms reproduce in a variety of ways.

The two main parts of a wave are the a. swell and whitecap. c. crest and trough. b. wavelength and wave height. d. rise and dip.

A block of mass m=16.8 kg is sliding on a surface with initial velocity v=23.2 m/s. The block has a coefficient of kinetic friction μk = 0.426 with respect to the surface and is being pushed by a force of magnitude F=86.

Two children are pulling and pushing a 30.0 kg sled. The child pulling the sled is exerting a force of 12.0 N at a 45o angle. The child pushing the sled is exerting a horizontal a force of 8.00 N. There is a force of friction of 5.00 N.

Describe what a planetesimal is. Is it related to a protoplanet?

Describe the medium that electromagnetic waves use to travel