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.
I believe the answer you looking for is luster
Good luck
Answer:
b) I shall be speaking on the joys of volunteerism
Explanation:
The best way to atract volunteerism would be to explain to potential volunteers that the mere action of helping other will give them joy. I think this is the best because it promises joy for volunteers, which is something so simple and, at the same time, so attractive.
The rest of the options a, c and d are about receiving something in return for volunteering.
Signed in 1863, the Emancipation Proclamation freed all slaves in the United States.
Answer:
In economics, factors of production, resources, or inputs are what is used in the production process to produce output—that is, finished goods and services. The utilized amounts of the various inputs determine the quantity of output according to the relationship called the production function.