Answer :
Answer:
due to pollution ruining the water source that we have. and that mostly all the water is salt water too
Explanation:
Consider that only 5% of the water on earth is fresh. It can always become contaminated.
While it is possible to purify it, doing so requires money and energy and has the potential to poison the entire biosphere with toxins.
Perhaps in the future, enhanced solar and fusion energy sources will help create a reliable backup system that can help clean and sustain fresh water.
What would happen without the water cycle?
Effects on Ecosystems
A permanent drought would result from stopping it. Many of the current water sources would not filter the water, in addition to the lack of water flow.
Lack of water flow would result in overgrowth in lakes, which would obliterate many fish species and other lake animals. Even though all hydropower would be eliminated, according to global usage, it is not necessarily necessary.
Natural water sources would get contaminated with various plant species without running water, making it very difficult to filter.
Due to the lack of precipitation, rainwater would similarly be of no use.
For more information about water cycle to refer link
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