Ld above the ground has potential energy. as the rock falls, this potential energy is converted to kinetic energy. finally, the rock hits the ground and stays there. what has happened to the energy?

A block that is 80 degrees is places next to a 20 degree block. the warmer block heats the cooler block by the process of ... A) convection. B) conduction. C) a and b. D) neither a or b

Identify an advantage and a disadvantage to the above arrangement of the periodic table

The phase of the moon you see depends on what?

What is one latitude where there is no continental barriers?

What forces cause the Sun's magnetic field to become both stronger and more tangled

Assuming one nerve impulse must end before another can begin, what is the maximum firing rate of a nerve in impulses per second? Assume that it takes a millisecond for an impulse to travel through a nerve cell.

Which of the following statements has NOT been indicated by research on food and hunger behaviors? A) Forcing children to eat specific foods often has a negative effect on food preference.

Loghan and Kyle want to see if the type of ice cream in the freezer affects how hard or soft it is. Each time they placed a new brand of ice cream in the freezer, they put it in a different place.

2. If you wanted to create a voltage source using magnetic induction, which device would you use? A. Battery B. Thermocouple C. Dry cell D. Generator

Which quantities decrease as the distance between a planet and the sun increase