notes on tissue system.
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decreases once the stone is lowered in water, it means that some force acts on the stone in upward direction. As a result, the net force on the string decreases and hence the elongation also decreases. As discussed earlier, this upward force exerted by water is known as the force of buoyancy.
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there are two different types of tissues animal tissue and plant tissue in plant tissue there are meristematic tissue and perment tissue
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