Cells Organized

 Cells Organized








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What is Intertidal zone? Define Estuary.

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What is Intertidal zone? Define Estuary. I ntertidal zone : O ceans are divided into zones. The shallowest part of the ocean ecosystem is called the intertidal zone. The  intertidal zone  is the area where the ocean meets the land between high and low tides. Estuary : The boundary where freshwater feeds into salt water is called an estuary . An  estuary  is an area where a freshwater river or stream meets the ocean.
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What is a Salt?

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What is a Salt? Salt : A  salt  is a  chemical  compound consisting of an ionic assembly of cations and anions. Substance produced by the reaction of an acid with a base.  Salt , also called sodium chloride, mineral substance of great importance to human and animal health, as well as to industry.  Table salt is called common salt. Chemical name of common salt is sodium chloride and its formula is NaCl.   Methods to get common salt: 1)   By digging from mines. 2)   By pumping up the brine (salt solution) 3)   By evaporating the sea water. Class Assessment   1.    ----------------is added to-many foods to bring out the flavour. A.   Salt B.   Acid C. Base     2.    --------------- can also help to preserve food. A.   Salt B.   Acid C. Base     3.    Common salt formula is -------------. A.   Na B.   Cl C. NaCl     4. ...
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Define Pedigree and Carrier.

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