C. Answer these questions.
1. Define air.
2. What is wind?
3. List two causes of air pollution.
4. How can we keep the air clean?
Answers
Answer:
1) Air is the mixture of gases that surrounds the earth and that people, animals and plants breathe.
2) Wind is the movement of air, caused by the uneven heating of the Earth by the sun and the Earth's own rotation.
3) The Burning of Fossil Fuels. ...
Agricultural Activities. ...
Waste in Landfills. ...
Exhaust From Factories and Industries. ...
Mining Operations. ...
Indoor Air Pollution. ...
Natural Events.
4) Walk, bike, carpool, or take public transit.
1) Reduce your heating needs by making your house more energy efficient. ...
3) Say no to backyard burning.
4) Use hand-powered garden tools. ...
5) Know before you go. ...
6) Check your tire pressure.
1. AIR ...
A mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
2. WIND...
Wind is the movement of air, caused by the uneven heating of the Earth by the sun and the Earth's own rotation.
3. There are four main types of air pollution sources:
mobile sources – such as cars, buses, planes, trucks, and trains.
stationary sources – such as power plants, oil refineries, industrial facilities, and factories.
area sources – such as agricultural areas, cities, and wood burning fireplaces.
4. Here are some simple actions you can take to reduce air pollution and to keep the air cleaner.
- Walk, bike, carpool, or take public transit.
- Reduce your heating needs by making your house more energy efficient.
- Say no to backyard burning.
- Use hand-powered garden tools.
- Know before you go.
- Check your tire pressure