MODULE 17: POLLUTIONS

Question 1

is the presence in the atmosphere of one or more contaminants in such quality and for such duration as in injurious to human health or welfare of animal or plant life.

Answer 1

Air pollution

Question 2

air pollutants are classified as either __ or ___

Answer 2

Primary or secondary

Question 3

is one that adds directly to the air from a given source.

Answer 3

Primary air pollutant

Question 4

is formed in the atmosphere through chemical reactions.

Answer 4

Secondary air pollutant

Question 5

Sources of air pollution are:

Answer 5

stationary
mobile sources
natural sources

Question 6

Point sources emit air pollutants from one or more controllable sites like smokestacks of power plants.
• Fugitive sources produce air pollutants from open area exposed to wind processes.
• Area sources are well-defined areas within which are several sources of air pollutants.

Answer 6

Stationary sources

Question 7

Transportation machines.

Answer 7

Mobile sources

Question 8

Major Air Pollutants

Answer 8

1. Carbon monoxide (CO) is a colorless, odorless gas that is formed when carbon in fuel is not burned completely.
2. Nitrogen Oxides (NO,) form when fuel is burned at high temperature as in combustion process.
3. Sulfur Dioxide (SO,) formed when the fuel containing sulfur like coal and oil is burned and when gasoline is extracted from oil or metals are extracted from ore.
4. Ozone (Os) created by a chemical reaction between oxides of nitrogen and volatile organic compound (VOC) in the presence of sunlight.
5. Particular matter (PM) Particles found in the air, including dust, dirt, soot, smoke and liquid droplets.
6. Lead is metal naturally found in the environment as well as in manufactured product.no

Question 9

refers to the physical, chemical and biological characteristics of air in the indoor environment within a home, building, or an institution or commercial facility.

Answer 9

Indoor Air Pollutions

Question 10

is any change in natural water impairs its further lse, caused by the introduction of organic and inorganic substances or a change in temperature of the water

Answer 10

Water Pollution

Question 11

The rivers are usually chosen to be both garbage dump and sewer and because of these they are polluted. Waste disposal sites are necessary if society will function smoothly.

Answer 11

Sewage

Question 12

Threats to marine Resources
One of the growing problems on the seashore and in oceans is litter. Marine litter is the collective term for any waste material present in the marine environment.

Answer 12

Marine Litters

Question 13

Main Sources of Litter in the Marine Environment

Answer 13

1. Recreational and tourism-related litter
2. Fishing debris
3. Sewage-related
4. Shipping waste.
5. Plastic in Sea Water

Question 14

is the degradation of the Earths land through
human misuse of the soil

Answer 14

Land Pollution

Question 15

One of the most visible forms of pollution is solid waste. These solid waste include junk materials, cans packaging materials, scarps of metals, papers,

Answer 15

Solid waste

Question 16

is one thing that cannot be avoided in life. It is important that we know how to dispose and reduce this garbage to make our environment clean and suitable to live in and enjoy.

Answer 16

Garbage

Question 17

proposed the segregation of biodegradable and non-biodegradable wastes in order to reduce the volume of garbage that would be thrown to the disposal area.

Answer 17

The environment and Metro Manila Development Authority (EMMDA) 1997

Question 18

is one of the most pervasive pollutants. A musical clock may be nice to listen during the day, but may be an irritant during sleep at night.

Answer 18

Noise Pollution