The Resource Conservation & Recovery Act of 1976 has ____.

decreased the illegal and unsafe dumping of hazardous waste

What is the function of the atmosphere's ozone layer?

it shields Earth from harmful solar radiation

The greenhouse gas carbon dioxide helps to ____.

maintain warmth near Earth's surface

Hydroelectric power is produced by ____.

falling water that turns a turbine

Placer deposits form when ____.

heavy eroded particles settle out of moving water

Renewable resources ____.

can be replenished over months, years, or decades

What is the source of geothermal energy?

natural, underground reservoirs of steam and hot water

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Pearson Earth Science Chapter 4: Earths' Resources

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Pearson's Earth Science textbook, chapter 4: Earth's Resources

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Questions 20

Answers

1
Compost helps preserve the health of the soil because it ____.
breaks rocks down into additional soil
is a natural fertilizer
adds artificial fertilizers that help plants grow
contains pesticides that kills insects
2
The Resource Conservation & Recovery Act of 1976 has ____.
cut down the use of fossil-fuel resources
decreased the illegal and unsafe dumping of hazardous waste
encouraged the use of compost
decreased the amount of recycling
3
Cars with hybrid and electric motors ____.
use solar panels for power
are no longer produced
use more fuel than conventional cars use
create less air pollution
4
One way that mining for mineral resources damages land is by ____.
causing salinization
adding greenhouse gases to the environment
depleting the world's ozone
increasing soil erosion
5
What is the function of the atmosphere's ozone layer?
provides oxygen needed by all human life
protects Earth from the sun's heat
it shields Earth from harmful solar radiation
removes pollution from the atmosphere
6
The greenhouse gas carbon dioxide helps to ____.
form clouds in the atmosphere
maintain warmth near Earth's surface
deflect harmful radiation from space
increase precipitation in arid areas
7
Which of the following isn't a land resource?
forests
methane
minerals
soil
8
Which of these energy resources might replace dwindling petroleum supplies one day?
wind and coal
oil shale and tar sands
coal and natural gas
tar sands and uranium
9
Which of the following is a non-metallic mineral resource?
aggregate
coal
wood
iron
10
In which decade were the 1st important laws passed to decrease water pollution?
1950s
1960s
1970s
1980s
11
Which of the following products is made from petroleum resources?
aggregate
cardboard
plastics
nickel
12
Which of the following isn't a fossil fuel?
natural gas
oil
uranium
coal
13
Contour plowing is a soil conservation method that involves ____.
plowing across hill slopes
flattening hills to create flat land before plowing
never planting crops on hills
plowing deeper into soil when planting
14
Hydroelectric power is produced by ____.
falling water that turns a turbine
hot water that comes from deep underground
tides that pour through a dam barrier
very hot minerals deep underground
15
Placer deposits form when ____.
magma cools in underground chambers
hot, metal-rich fluids cool underground
heavy eroded particles settle out of moving water
organic matter is compressed over millions of years
16
Which of the following is NOT a major use of freshwater resources?
drinking water
fuel for transportation
growing food
cooking food
17
Renewable resources ____.
can be replenished over months, years, or decades
are all living resources
include iron, gas, and copper
have finite supplies that will one day be completely consumed
18
What is the source of geothermal energy?
the splitting of atoms to release energy
natural, underground reservoirs of steam and hot water
sunlight heating surface ocean water
very hot minerals deep underground
19
The fuel for nuclear fission in a nuclear reactor is ____.
uranium
petroleum
hydrogen
carbon
20
The advantages of solar energy include the fact that it is ____.
non-renewable
useless at night
expensive
non-polluting

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