Which salt is the most common in ocean water

Sodium Chloride (table salt)

While there are probably many different types of salt in all seawater, the type that we see most is just classic table salt (NaCl)

Your Answer should be A-  

Sodium chloride

Explanation:

The most common salt found in ocean water is sodium chloride (NaCl).

Salts are ionic compounds, which are comprised of metallic and nonmetallic elements. There are many different types of salts. Salt in the oceans comes from the weathering of rocks on dry land.

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option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.