Because cell is composed of organelle and several little material which haven't an ability to increase in size just in same manner as a rubber therefore cell divide for increase their number .
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1 ) under water earthquakes cause a disturbance sending water outwards away from the point of the earthquake due to air and pressure coming into contact at gray force
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The proton–proton chain, also commonly referred to as the p–p chain, is one of two known sets of nuclear fusion reactions by which stars convert hydrogen to helium.
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drugs can cause the brain to malfunction a lot of times and you can feel dizzy and get constant symptoms also if you take a drug without permission you can die from it here are some facts about How do drug uses affect the brain
