True or False: The total amount of water on Earth is constantly changing.

According to the thermodynamics, the total amount of  a substance in a closed system is constant. The total amount of water is changing is a false statement.

The earth, relative to the space (Universe) is a closed system. According to the thermodynamics, the total amount of  a substance in a closed system is constant.

In the earth, water is always changing from one state to another such as polar ice melt to liquid water and liquid water evaporate to form clouds, this is known as water cycle.

Therefore, the total amount of water is changing is a false statement.

To know more about water cycle,

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