Which of the following can occur by conduction?

a. transfer of heat from the sun

b. transfer of heat through air

c. transfer of heat through space

d. transfer of heat through a liquid

What is a sloping surface, like a ramp, that reduces the amount of force required to do work.

What does hibranate mean

When did the last mass extinction occur?

The speedometer in your car reads 55mi/h this represents ___ of the car

What is the velocity of an Earth satellite that is in a circular orbit with a radius of 7.5 * 107 meters measured from the center of the Earth? 2.9 * 103 meters/second 2.3 * 103 meters/second 7.5 * 103 meters/second 5.9 * 103 meters/second

True or false electronic machines with no moving parts experience friction and get hot because electricity is moving through the wires

I'm having trouble figuring out how to study for my science test, it's based off of everything we've learned but I'm afraid there's some things I misunderstood during the year that will effect me on the test, and suggestions?!!

The air over Earth's surfaces absorbs heat from the materials of Earth. In Section 3 of the experiment, the air over the sand the air over the water because sand water.

Describe the rise and fall of a basketball using the concepts of kinetic energy and potential energy

Another word for character in sports is "sportsmanship." - True False