15,16,17 Flashcards

0
Q

What percent of oil reserves in u.s

A

2.9%

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1
Q

What is petroleum(crude oil)?

A

A gooey liquid consisting primarily of HYDROCARBON COMPOUNDS

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2
Q

What amount of electricity does u.s get from nuclear fuel ?

A

20%

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3
Q

What amount of electricity does u.s get from burning coal?

A

50%!!!

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4
Q

The amount of oil reserves in Canada

A

15

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5
Q

Amount OPEC oil controls

A

78% organization of petroleum exporting countries , long term control of oil

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6
Q

What is net energy

A

The amount of high quality usable energy available from a resource after subtracting the energy needed to make it available .

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7
Q

What is bitumen and where is it found

A

A high sulfur heavy oil found in tar sand in Canada and Russia

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8
Q

Natural gas consists of 50-90% of ?

A

Methane

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9
Q

Burning coal realese a trace amounts of toxic ?

A

Mercury

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10
Q

High heat content and low sulfur what’s the most desirable coal

A

Anthracite

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11
Q

Runoff from mines carry?

A

Sulfuric acid

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12
Q

What do divergent plate boundaries do?

A

The plates move apart create ocean ridges

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13
Q

What do convergent plates do

A

Grind into each other forming trenches

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14
Q

Transform plates ?

A

Slide past one another

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15
Q

When did oil reach a peak what did Hubbert think

A

1974, he thought 1970

16
Q

Disadvantages and advantages of usin oil

A

Adv: ample supply , low cost, high net energy , easily transported .
Dis: need a substitute pollution waste co2 released

17
Q

Bitumen has high?

A

Sulfur

18
Q

Primary use of coal

A

To produce electricity and steel u.s and Saudi Arabia

19
Q

Synfuel?

A

Coal to liquid like gasoline

20
Q

What is a dirty bomb ?

A

Consists of explosive dynamite and radioactive material

21
Q

Who has largest supply of coal

A

We do . It releases mercury , gets descended in winds acid rain speeds it up. It’s in fish! Biggest plant is Indiana

22
Q

Fuels to make electricity

A
50 percent coal
20percent nuclear
17 natural
10 renewable
3 oil
23
Q

Earth layers?

A

Inner core outer core mantle(mesosphere rigid, lithosphere upper and by crust) asthenosphere fluid rock) then crust .

24
Q

Types of weathering

A

Physical- freeze thaw
Chemical- acid rain
Biological - lichens

25
Q

What does minin effect ?

A

Destroys land pollutes water acid mind damage releases toxins

26
Q

Cyanide heat extraction ?

A

Cheap way to release gold it’s very toxic

27
Q

Depletion time?

A

Time it takes 80 percent of mineral reserve

28
Q

Finding nonrenewable materials types ?

A
Open pit-dig hole
Dredging- draglines
Area strip- shovel digs a cut layers
Contour- hilly bunches of cuts
Surface mining - digging real far among a shaft
29
Q

What is acid mine damage ?

A

Occurs when water intersects with mining spoils left from coal mining.
It produces iron precipitate sulfate and sulfuric acid. Fe - oxidizes. Low ph . Metals in water toxic it can block sunlight and settle hurts animals

30
Q

Energy data ?

A

82%commercial
76%fossil
6% nuclear
18%renewable

31
Q

Ring of fire what plate ? Hot spot?

A

Pacific plate left of America . Hawaii is a hot spot it’s above a plume magma breaks thru cracks

32
Q

What is cogeneration ?

A

A system with two useful forms of energy are produced from the same fuel source