Answer:
A option
Explanation:
Guard cells closes their openings to prevent loss of water, hence, slowing down the process of transpiration.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>
Models are used to stimulate reality and make predictions
<span>Cell Membrane which is a Selectively Permeable Membrane.
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Your right it is mutation
