Environmental concerns Flashcards

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0
Q

Nonrenewable resource

A

Limited in supply

Amount of land

Fossil fuels

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1
Q

Resource

A

Biotic or abiotic factor that helps meet basic needs

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2
Q

Renewable resource

A

Not limited

Water
Solar energy
Plants and animals for food

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3
Q

Pollution

A

Side effect of resource use

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4
Q

Coastal pollution

A

Toxic substances traveling downstream to sea

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5
Q

Desertification

A

Conversion of semi arid land to desert

Can result from overgrazing if livestock

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6
Q

Deforestation

A

The removal of trees

Causes loss of soil nutrients and fertility

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7
Q

Irrigation

A

Intensive agriculture

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8
Q

Aquifers

A

Hold 1000 times as much water as falls on land as precipitation each year

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9
Q

Aquaculture

A

Growing aquatic organisms

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10
Q

Greenhouse gases

A

Gases that trap heat in the atmosphere

Carbon dioxide, methane

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11
Q

Saltwater intrusion

A

Water lowering to the point to cause seawater backing up into streams and aquifers

Reduces the supply of fresh water along the coast

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12
Q

Fossil fuels

A

Fuels that are derived from the compressed remains of plants and animals that died millions of years ago

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13
Q

Minerals

A

Nonrenewable raw materials in earth’s crust that can be mined and used by humans

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14
Q

CFCs

A

Chlorofluorocarbons

Chemical which creates holes in the ozone layer

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