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What causes blood cells to swell when placed in water with less than 0.9% salt concentration?

Options

  1. AOsmosis
  2. BEvaporation
  3. CSublimation
  4. DDiffusion

Correct answer

A. Osmosis

Step-by-step solution

The paragraph explains that blood cells swell when placed in water with less than 0.9% salt concentration due to the flow of water into the cells through osmosis.

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