5. What type of sound wave shape forms behind an object traveling faster than the speed of sound? - a cone
- a long, flat tail
- a bowl-shape
- a sphere

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

What causes the formation of ocean currents?

What is the major limitation to the light microscope?