Question

To protect their crops during freezing temperatures, orage growers spray water onto the trees and allow it to freeze. In terms of energy lost and energy gained, explain why this practice protects the oranges from damage.

Answer 1

As water turns to a layer of ice, heat is given up by the water and transferred to the branches and fruit. While the freezing takes place, the water cannot get colder than 0 C. After it freezes, it acts as an insulating layer, helping keep heat inside.

Answer 2

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