Question

Topic: Gather information and write an article (150-200 words) on any ONE of the following potential vaccines against Covid-19.

a. Moderna Vaccine

b. Sputnik V Vaccine

c. Pfizer Vaccine
pls give answers only if u know dont give if u dont know

Answer 1

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Sea water is a mixture of salts and water which cannot be separated except by evaporation. Therefore, sea water is considered homogeneous.

Sea water also contains mud, decayed plant, etc., other than salts and water, so it is heterogeneous also.