Page 5 - PPT 2

 Air is one of the three basic needs of our life, without

air there would be no plants, animals or people on

the Earth- i.e there would be no life on the Earth.

 Breathing in air for both humans and animals is also

important.

 Plants also need air-( i.e Carbon Dioxide (together

with sunlight and water) to make their food which

produces energy and gives out Oxygen.