Pollution causes & types

Question 1

is the introduction of contaminants into the natural environment that cause adverse change).

Answer 1

Pollution

Question 2

Pollution is the introduction of contaminants into the natural environment that cause adverse change), in the form of:

Answer 2

1.killing of life ,
2.toxicity of environment ,
3.damage to ecosystem and distortion of our environment .

Question 3

An unwanted change in the environment which involves the physical, biological and chemical changes involving air, water and land which affects the human life .

Answer 3

Pollution

Question 4

Types Pollution

Answer 4

Air Pollution. Water Pollution. Noise Pollution. Littering (spilling of oils in oceans) Soil contamination (by lead, heavy metals) Radioactive contamination. Thermal pollution.

Question 5

•…………….. is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere.

Answer 5

Air pollution

Question 6

Sources Of Air Pollution:

Answer 6

• Household combustion devices.
• Motor vehicles.
• Industrial facilities.
• Forest fires

Question 7

Pollutants causing AirPollution……

Answer 7

• Include particulate matter.
• Carbon monoxide.
• Nitrogen dioxide .
• Sulfur dioxide

Question 8

Air Pollution do have:

Answer 8

• Health effects
• Effects on cardiovascular health
• Effects on breathing (asthma).
• Links to cancer
• Effects on children.

Question 9

How to control air pollution?

Answer 9

1.Maintaining a healthy distance
2.The chimneys should be constructed tall in size
3.The sulphur must be removed after burning
4. The mining area should be planted with trees.
5. The coal fuel should be replaced with gas fuel
6.The automobiles must be designed with emission control system.
7.The wastes must be removed and recycled in the industrial plants and refineries.
9. Timely maintenance of the car
10.Using public transportation
11.Using alternative energy sources

Question 10

is the contamination of water bodies (e.g. lakes, rivers, oceans, and groundwater).

Answer 10

Water pollution

Question 11

occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds.

Answer 11

Water pollution

Question 12

Water pollution affects plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and populations, but also to the natural biological communities

صح ولا خطا

Answer 12

صح

Question 13

Polluted Water:

Answer 13

• Domestic sewage.
• Industrial wastewater.
• Agricultural wastewater.
• Construction site stormwater.
• Urban runoff (stormwater).

Question 14

Water Pollutants:

Answer 14

• Petroleum hydrocarbons
• Plastics
• Pesticides
• Heavy metals
• Sewage
• Radioactive waste
• Thermal effluents

Question 15

Preventing Water Pollution:

Answer 15

• 1.Conserve water
• 2.Use environment friendly household products.
• 3.Take great care not to overuse pesticides and fertilizers.
• 4.Don’t throw litter into rivers, lakes or oceans..

Question 16

(Preventing Water Pollution)

Treating Polluted Water:

Answer 16

• 5.Suspended, solid particles and inorganic material can be removed by the use of filters.

• 6.Use of biological filters and processes can naturally degrade the organic waste material.

Question 17

Controlling Light Pollution:

Answer 17

• Excessive lighting should be avoided.
• For Lighting an applicable design should be followed.
• Light engineering should be applied for streets.

Question 18

is excessive noise that may disrupt the activity or balance of human or animal life.

Answer 18

Noise pollution

Question 19

means discomfort hearing from environment.

Answer 19

Noise

Question 20

Sources of Noise Pollution:

Answer 20

• Machines.
• Transportation systems.
• Motor vehicles.
• Aircrafts.
• Trains.
• Poor urban planning.

Question 21

Effects of Noise Pollution

Answer 21

• Noise pollution affects both health and behavior.
• Unwanted sound (noise) can damage psychological health.
• Hypertension .
• Hearing loss.
• sleep disturbances, and other harmful effects.

Question 22

is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment.

Answer 22

Soil Pollution

Question 23

Soil Pollution
It is typically caused by

Answer 23

• industrial activity.
• agricultural chemicals.
• improper disposal of waste

Question 24

Soil Contaminating Chemicals:

Answer 24

• Petroleum hydrocarbons.
• Pesticides
• Lead and Other heavy metals

Question 25

How to control soil pollution?

Answer 25

•1. Limit the use of fertilizers and pesticides
• 2.Awareness about biological control methods and their implementation
•3. The grazing must be controlled and forest management should be done properly
• 4.The afforestation and reforestation must take place
• 5.Treating Wastes of industries.
• 6.Treating nuclear waste.
• 7.Proper disposing of plastics and other garbage materials