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Why is it easier to swim in sea water th...

Why is it easier to swim in sea water than in river water?

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The density of sea water is greater than that of river water. Consequently, the sea water exerts greater upthrust on the swimmer than the river water.
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PREMIERS PUBLISHERS-PROPERTIES OF MATTER-OTHER IMPORTANT QUESTION & ANSWERS (CONCEPTUAL QUESTIONS)
  1. The dams of water reservoir are made thick near the bottom. Why?

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  2. A man is sitting in a boat, which is floating on a pond. If the man dr...

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  3. Why is it easier to swim in sea water than in river water?

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  5. Why machine parts are not jammed in the summer?

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  6. Which fall faster-big rain drops or small rain drops?

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  16. Why hot water is preferred to cold water for washing clothes?

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