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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the arab empire adopted the muslim religion as their main belief. arabs would influence the people from the territories they invaded towards islam (the muslim belief).

nevertheless, throughout the history of the arab empire, rulers brought intellectual individuals from other religions to their centers of learning. these other foreigners included jews, christians, greeks, persians, and indians.   these resulted in the adoption of important knowledge developed by these cultures by the arabic empire. for example, the works of aristotle were translated from greek to arab and indian scientists brought the numerical concept of "zero" to the arabs.

nowadays, 93% of the arab population is muslim, which at the same time is subdivided in sects including the sunni, zaini, alawi, shia. the remaining 7% is composed mainly of christians.

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