Radiation is the transfer of heat energy through space by electromagnetic radiation. Most of the electromagnetic radiation that comes to earth from the sun is in the form of visible light. Light is made of waves of different frequencies.
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Answer:
Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe.
or just mass.
The Law of Universal Gravitation states that the force of gravity acts between all objects in the universe that have mass.
Cell controls on division contact with other cells once DNA (cell directions) is copied, cell divides sequence of steps
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Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy , electrical, or other forms. Energy is the ability to do work. Energy sources could be classified as Renewable and Non-renewable.
