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The carbon cycle occurs when the carbon atoms are recycled over and over again on earth. The carbon cycle is the most important recycling cycle because carbon is present in every living thing on earth.
Water molecules are constantly recycled through the Earth's water cycle, so there is no "new" water being created. However, water can be treated and purified to remove impurities, making it safe for consumption as clean, fresh water.
The water cycle has no starting point. That is because the cycle repeats. For example, first, the sun heats the water on Earth's surface. Then the water evaporates. Next the clouds form. Then there is condensation. Next, there is precipitation which is rain, sleet, snow, and hail. Finally, the precipitation flows into rivers, streams, and oceans. That is when the water cycle repeats all over again. It repeats over and over again. The water cycle is unstoppable.
because it all leads back to number 1 the first thing on the cycle
No water cycle does not do any thing bad. It helps in recycling of water.