1.What is desalination? 2. Why is well water and spring water pure and safe to drink?
3. Which is the purest form of water?
4.What is known as water cycle?
5. How is water cycle important?

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1. The process of removal of the dissolved salts from sea/ocean water is called desalination.

2.Well and Spring water contains dissolved impurities but not suspended imputites or germs because they have been filtered through different layers of soil.Thus, well water and spring water is pure and safe to drink.

3 Rain water is the purest form of water.

4.The interconversion of the three state of water aldo occurs in nature which is known as water cycle.

5. a) Due to water cycle, it rains. Raining is very important because agricultural production depends on it.

b) Controls the climatic conditions all over the world.

Explanation:

mechanics (greek   is that area of science concerned with the behaviour of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment. the scientific discipline has its origins in ancient greece with the writings of aristotle and archimedes[1][2][3] (see history of classical mechanics and timeline of classical mechanics). during the early modern period, scientists such as galileo, kepler, and newton laid the foundation for what is now known as classical mechanics. it is a branch of classical physics that deals with particles that are either at rest or are moving with velocities significantly less than the speed of light. it can also be defined as a branch of science which deals with the motion of and forces on objects. the field is yet less widely understood in terms of quantum theory.

explanation:

hurricanes form in warm water