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question 12

Essay

(1-20):

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Definitions:

Sand

is a granular material composed of finely divided rock and mineral particles, often used in construction.

Forces and Energy

Fundamental concepts in physics, with forces being interactions that change the motion of objects and energy being the capacity to do work.

Gravitational Pull

The force by which a planet or other body draws objects toward its center.

Electromagnetic Energy

Various forms of energy, including light, infrared, and ultraviolet radiation.