Page 333 - Primary Six Notes

2. Water

Water is a renewable resource when used carefully.

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How water is used as a resource?

 Water helps plants to grow

 Water is used to turn turbines for hydro-electric power gen-

eration.

 Water helps to dissolve food for easy absorption in the body

of animals.

3. Air and Wind

Both are renewable resources

Air is a mixture of gases

Wind is moving air.

How wind is useful

 Wind turns wind mills to produce electricity

 Wind drives wind mills to draw water from the underground

 Wind helps in winnowing