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Inessa05 [86]
3 years ago
14

Why did Salk divide the children in his study into three groups

Chemistry
1 answer:
SVETLANKA909090 [29]3 years ago
5 0

Answer:

Over 500,000 cases of polio were reported between 1930 and 1950, and the actual ... The remaining children were divided into two groups

Explanation:

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<h3>What is salinity?</h3>

Salinity refers to the salt content of a water body such as rivers and oceans.

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Different area of the oceans have different salinities.

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8 0
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