A blank is any disturbance that carries energy from one place to another through matter and space.

Explain what the ionsphere is and how it interacts with some radio waves

If a substance has a high specific heat, is it easy or difficult to change the temperature of that substance?

Does spearmint gum have alcohol in it

The most abundant gas in the Earth's atmosphere is: a. oxygen b. carbon dioxide c. hydrogen d. nitrogen

Hi guys. Im doing a project at school where we have to create a mouse trap powered car. I wanted to know what materials are a must have to make the car move more than 5 meters?

Stress is a factor that contributes to heart disease risk. true or false

What is the difference between cementation and compaction?

Is it possible for a baseball to have as large a momentum as a much more massive bowling ball

A simple pendulum with length 1.6 m and mass 21 kg is pulled 20◦ from the vertical and released. If it is allowed to swing until it comes to rest, how much energy was converted into heat? The acceleration of gravity is 9.8 m/s 2.

A pulley system has an MA of 4. How much force would be necessary to pull a 200 newton box