What properties of water would be most important in protecting a fish in a shallow pond on a hot summer day?

High Specific Heat Of Water

Explanation:

Water’s high specific heat helps to maintain low temperature and protects fish life. This is due to the presence of hydrogen bonds in larger amount between water molecules. Of course, specific heat plays a role to capture more energy without rise in temperature.

When heat gets absorbed, water molecules move freely and hydrogen bond gets broken. If temperature decreases, release energy by forming hydrogen bond. Hence, it clearly shows that this water property can drastically change the temperature quickly  which is important in protecting a fish in a shallow pond on a hot summer day.

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