Recources Flashcards

1
Q

Minerals

A

Natural substances that make up rocks

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2
Q

Mineral orbe

A

A substance that contains mineral value

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3
Q

Mining

A

Proces of removing a mineral orb from the ground

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4
Q

Fossil fuels

A

The reserve of energy that comes from the earths crust from dead animals

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5
Q

Renewable energy

A

Energy that can be replenished

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6
Q

Biomass

A

A renewable fuel produced by the remains of living things

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7
Q

Global warming

A

The rise in the average temp of earth due to the enhanced greenhouse effect

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8
Q

Greenhouse effect

A

Trapping of heat in the earths atmosphere by the gases

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9
Q

Deforestation

A

The removal of trees

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10
Q

Desalation

A

The separation of fresh and sea water

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11
Q

Bauxite

A

Aluminium

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12
Q

The difference between open it mining and underground mining

A

Open is mining close to the surface and underground is deep under the ground

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13
Q

3 steps of extracting meter from an orb

A

Concentration, reduction, purification

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14
Q

Galena

A

Lead

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15
Q

Sphalerite

A

Zinc

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16
Q

Fossil fuels

A

Coal oil natural gas

17
Q

Difference between brown and black coal

A

Brown is more moist than black
Black produces more energy
Black is harder

18
Q

What are some renewable recourses

A

Solar, biomass, wind, tidal, ocean, water

19
Q

Nonrenewable

A

Fossil fuels, nuclear,

20
Q

Blackwater and greywater

A

Black is sewage and get is household water

21
Q

How is soil formed

A

Weathering
Erosion
Deposition

22
Q

Weathering

A

The breaking down of rocks

23
Q

Erosion

A

The process of soil being carried away by wind and water

24
Q

Two reasons of global warming

A

Burning of fossil fuels

Deforestation