AIR POLLUTION

Question 1

is the contamination of the atmosphere by harmful substances,which can arise fromboth natural sources and human activities.

Answer 1

air pollution

Question 2

It refers to any physical,chemical or biological change in the air. It is the contamination of air by harmful gases, dust and smoke which affects plants, animals and humans drastically.

Answer 2

Air pollution

Question 3

Substances not naturally found in the air or at greater concentrations or indifferent locations from usual are referred to as _____________.

Answer 3

air pollutants

Question 4

The pollutants that directly cause airpollution are known as __________________.

Answer 4

primary pollutants

Question 5

_____________ especially ___________ are emited from burning pollutants of coal and oil.

Answer 5

Sulfure oxides, sulfur dioxide

Question 6

______________ especially ______________ are emited from high temperature combustion.Can be seen as the brownhaze dome above or plume downwind of cities.

Answer 6

Nitrogen oxide, nitrogen dioxide

Question 7

________________, agreenhouse gas emittedfrom energy production,including burning coal, oil,or natural gas

Answer 7

Carbon Dioxide

Question 8

Colorless, odorless, and nonirritating, ________________ isan extremely toxic gas. It is abyproduct offuels like coal,wood, or natural gas burning INCOMPLETELY. One of the main sources of carbon monoxide is ______________.

Answer 8

carbon monoxide, vehicle exhaust

Question 9

___________ (NH3) emited from agricultural processes.It is a colorless highlyirritating gas with a sharpsuffocating odor.

Answer 9

Ammonia

Question 10

PM, or particulate matter, is quantified by dust and smoke. _______ is the percentage of suspended particles that will penetrate the nasal cavity andhave a diameter of 10 micrometers or less. With amaximum particle size of _______ can penetrate the lungs and bronchi.

Answer 10

PM10, PM2.5

Question 11

War munitions, nuclear explosions, and naturalprocesses like radon’s radioactive decay all produce _________________..

Answer 11

radioactive pollution

Question 12

___________, such as fromgarbage, sewage,and industrial processes.

Answer 12

Odors

Question 13

Products that are currently prohibited from usage release ______________________,which are detrimental to theozone layer.

Answer 13

chlorofluorocarbons

Question 14

The pollutants formed bythe intermingling andreaction of primarypollutants are known as ________________.

Answer 14

secondary pollutants

Question 15

Particulate mater formed from gaseous primary pollutants and compounds in ___________________, such as nitrogen dioxide

Answer 15

photochemical smog

Question 16

________________ (O3 )formed from NOx andVOCs. It is a colorless andhighly irritating gas thatforms just above the earth’ssurface.

Answer 16

Ground level ozone

Question 17

____________________ (PAN) similarly formed fromNOx and VOCs, present inphotochemical smog.

Answer 17

Peroxyacetyl nitrate

Question 18

Problems with human-caused air pollution began inthe mid-1700s, whenEurope and NorthAmerica entered theperiod of time knownas the _________________.

Answer 18

Industrial Revolution

Question 19

Most air pollution iscreated by people burning _________________, which includecoal, natural gasand oil.

Answer 19

fossil fuels

Question 20

wild fires create ______________

Answer 20

carbon monoxide

Question 21

Acid rain forms when _____________ and ____________ mix with water droplets in theatmosphere to make sulfuricacid and nitric acid. Winds cancarry these pollutants forthousands of miles, until theyfall to the Earth’s surface asacid rain

Answer 21

sulfure dioxide, nitrogen dioxide

Question 22

Chemicals likechlorofluorocarbons(CFCs), commonly used as _________________ , containchlorine atoms. Whenthese chlorine atoms arereleased into theatmosphere, they damageozone

Answer 22

refrigerants