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Talk about the nature of water by using the existing knowledge and combining with your own life.

The nature of water.

Physical properties: Water is a colorless, odorless and transparent solution with a tertiary density of 1.0* 10.

Chemical properties: Water consists of two elements: hydrogen and oxygen. Neutral, often used as a solvent!

That's all I can think of now. Hmm. How interesting

Let's see what others say.