Answer the following questions.
1. Write different properties of air.
2. How does air play a role in the proces
3. Write four points to control air pollutio
4. List various uses of air.
5. What are pollutants? Give two causes o
DERSTAND AND ANSWER
Answers
Answer:
1.The properties of air are:
Air takes up space.
Air has mass.
Air is affected by heat.
Air exerts pressure.
Air can be compressed.
Air is affected by altitude.
2.Air is important for living things.
Breathing is part of a process called respiration. During respiration, a living thing takes in oxygen from the air and gives out carbon dioxide. This process gives animals and plants the energy to eat, grow, and live life!
3.Reduce the number of trips you take in your car. Reduce or eliminate fireplace and wood stove use. Avoid burning leaves, trash, and other materials. Avoid using gas-powered lawn and garden equipment.
4.Important Uses of Air
Sustain life and growth.
Combustion.
Maintaining Temperature.
Supplier of Energy.
Photosynthesis
5.Air pollution is caused by solid and liquid particles and certain gases that are suspended in the air. These particles and gases can come from car and truck exhaust, factories, dust, pollen, mold spores, volcanoes and wildfires. The solid and liquid particles suspended in our air are called aerosols.
Answer:
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