"stop to think 16.1" on page 423 of your textbook. also, for situation (a), descibe what happens to the speed of the wave, the frequency, and the wavelength when you start moving your hand up and down at a faster rate.

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.

answer; how far out of place which the object finished relative to the starting location;

it would be c. predictability