Define electromagnetic radiation

All of the following statemants about the earths atmosphere are true except: 1. The atmosphere contains all gases that surround the earth 2. The atmosphere has no effect on landforms, but does effect he biosphere 3.

A small kid sits on a bike (Anita). A bigger and stronger person (Jamy) pushing the kid so that the kid starts speeding up. (neglect friction). Mark all correct statements about the forces between them. A.

How can the first law of thermodynamics be used to explain how to reduce the temperature of an object?

Water is used as coolant and for hot compressing. Why?

A battery supplies 0.71 A to three resistors connected in parallel. The current through the first resistor is 0.27 A and the current through the second resistor is 0.24 A. What is the exact current (in A) through the third resistor

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.