Answer:
A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane.
Explanation:
Answer:
n is an even number if and only if it's divisible by 2.
Explanation:
Biconditional statement is a type of statement which is only written when the both segments of the sentence are true. For writing biconditional statement, ''if and only if'' words should be used. For example, the two sides of the triangle are same if and only if both have same length. The biconditional statement considered as true if both the segments are true in nature. Symbolically, it is denoted by double arrows between two symbols.
C. Calcium Salts
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<span>Help???? Can some answer this</span>
