Aquatic species are more comfortable in cold water because of:

as the temperature decreases, the solubility of dissolved oxygen increases.

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as the temperature increases, the solubility of dissolved oxygen increases.

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as the temperature increases, the solubility of dissolved oxygen decreases

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none of the above

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Solution

The correct option is B as the temperature decreases, the solubility of dissolved oxygen increases.
Warmer water requires less oxygen dissolved to attain saturation than that required for cooler water. Hence, cooler water has more oxygen content. Due to this aquatic species are more comfortable in cold water.

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How temperature creates more dissolving?? When we increase the temp. Of water how it's solubility increases and why?

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