The most common purpose for fracking in the U. S is to get

A) petroleum

B) natural gas

C) geothermal energy

D) mineral ores

The force or push that causes electric charges to move is called

Engineers who design battery-operated devices such as cell phones and MP3 players try to make them as efficient as possible.

How can you increase the gravitational potential energy between yourself and earth?

Match these vocabulary words with their definitions. 1. amorphous shapeless; lacking complex organization 2. pressure mineral or element having geometric shapes as a result of orderly arrangement of its atomic structure 3.

State the condition for maximum current to be drawn from the cell

Which types of matter are made of atoms

What are some examples of uniform motion

If cable cb is subjected to a tension that is twice that of cable ca, determine the angle u for equilibrium of the 10-kg cylinder. also, what are the tensions in wires ca and cb?

What do ocean waves and sound waves have in common? A. Both are transverse waves. B. Both are longitudinal waves. C. Both are electromagnetic waves. D. Both exhibit the same particle-to-particle interaction. E. Both are mechanical waves.

A man is pushing a heavy crate up an inclined plane (ramp) into the back of semi trailer. What can the man do to make it easier to get the crate up the ramp? A) Use gloves. B) Make the ramp longer. C) Make the ramp shorter.