Answers

2015-05-28T15:18:35+05:30
They observe with the help of Microscope
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2015-05-29T11:14:33+05:30
Scientists observe and study the living cells with the help of a microscope as they are not visible to the naked eye. They study them by drawing the diagrams of what they have seen then exploring the other parts.
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hope the answer was approproate
sry appropriate