18 - 4 Flashcards

1
Q

Noise Pollution

A

Loud and persistent noise in the environment

—Focus on two areas, hearing loss and stress

Prolonged exposure to sound about 80-85db can cause permanent hearing loss

Regular exposure of 1 minute at 100db can cause hearing loss

Children may suffer damage to their hearing at lower noise levels

Common areas of excessive noise are sporting events and a noisy workplace

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2
Q

Ways to reduce exposure to excessive noise

A

Wear hearing protection around noisy machinery

Do not listen to music especially while using earbuds too loud

Do not push earbuds in too far

Keep the volume lower than you think

Do not stand next to speakers at a concert or club

Consider wearing ear plugs at such events

Avoid exposure to painfully loud sounds

Children should use “over the ear” headphones with a sound filter or limiter

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3
Q

You and the Environment

A

Making simple changes in your life can combat the confusing array of complex environmental issues:

Share what you learn about environmental issues with friends and family

Join or support organizations working on environmental issues that are important to you

Contact your elected representatives and communicate your concerns

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4
Q

Environmental health encompasses all the interactions of humans with their environment and the health consequences of those interactions.

A
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5
Q

The world’s population is increasing rapidly, especially in the developing world.

A
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6
Q

Factors that may eventually limit human population are food, availability of land and water, energy, and minimum acceptable standard of living.

A
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7
Q

Increased amounts of air pollutants are dangerous for children, older adults and those with respiratory problems

A

Factors include smog, hot weather, heavy motor vehicle traffic and stagnant air

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8
Q

Carbon dioxide and other natural gases contribute to the greenhouse effect

A
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9
Q

Concerns with water quality focus on pathogenic organisms and hazardous chemicals from industry and households, as well as on water shortages.

A
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10
Q

Sewage treatment prevents pathogens from contaminating drinking water; it often must also deal with heavy metals and hazardous chemicals.

A
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11
Q

The amount of garbage is growing all the time; organic waste from kitchens and yards is the biggest component.

A
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12
Q

Reusing, reducing, and recycling can help reduce solid waste-disposal problems.

A
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13
Q

Potentially hazardous chemical pollutants include asbestos, lead, pesticides, mercury, and many household products. Proper handling and disposal are critical.

A
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14
Q

Radiation can cause radiation sickness, chromosome damage, and cancer, among other health problems

A
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15
Q

Loud or persistent noise can lead to hearing loss and stress; two common sources of excessive noise are the workplace and music concerts.

A
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