The matter can be classified in two different ways; (a) according to its state, and (b) according to its composition. Matter can exist in three different states, solid, liquid, and gas, based on the way the atoms and molecules are arranged inside them.
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Make your voice heard by those in power. ...
Eat less meat and dairy. ...
Cut back on flying. ...
Leave the car at home. ...
Reduce your energy use, and bills. ...
Respect and protect green spaces. ...
Invest your money responsibly. ...
Cut consumption – and waste.
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Chemical energy is energy stored in the bonds of atoms and molecules. ...
Mechanical energy is energy stored in objects by tension. ...
Nuclear energy is energy stored in the nucleus of an atom—the energy that holds the nucleus together.
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