The United States is rich in natural resources. Name 2 reasons that we choose to import (buying materials from another country) rather than use what we already have?
Example: The US buys oil from the Middle East even though the US has lots of oil that we could use.
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Name 3 alternative energy sources.
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What is one reason why gold mining is continuing in the Yukon Territory even though it is hard to find and extract the gold from the ground?
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Name one reason why people are interested in taking the salt out of seawater.
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Coal, oil, natural gas and propane are fossil fuels, They are called fossil fuels because:
They are nonrenwable and will run out
They are burned to release energy and they cause air pollution
They are formed from the buried remains of plants and tiny animals that lived hundred of millions of years ago
They are mixed with fossils so they will burn better
What is Geothermal Energy?
Geothermal Energy is heat from the sun which can be stored and used as a efficient energy source.
Geothermal Energy is heat from within the earth which can be used to heat buildings or generate electricity
Geothermal Energy is concerned with extracting more fuels from the earth to provide heat and energy.
As the cost for oil increases the demand will _________.
Increase
Decrease
Stay the same
What is a renewable resource?
A natural resource that is replenished at a rate comparable to its rate of consumption.
A natural resource that is replenished at a rate less than its rate of consumption.
A natural resource that we only obtain from another country.
Which of the following are considered non-renewable resources? Select all that apply.
Fossil Fuels
Fresh water
Wood
Minerals
Animals
Nuclear Power
When do "renewable" resources become "non-renewable"?
When the resource can be recycled or reused.
Pollution of the environment by humans.
When the temperatures become too high.
When resources are used a higher level than they are being replaced.
The state in which a fish population can survive indefinitely is called...
sustainability
loss of biodiversity
renewable resource
biodiversity
Which of the following is NOT a reason that most humans mine?
to manufacture
for money
for trade
for fun
Fisheries renew themselves naturally each year, but _________ has caused a shortage of fish in some areas.
overfishing
global warming
catch limits
aquaculture
Fresh water can be produced by removing the salt from ocean water using a process called _____________.
salt water cleanup
water purification
desalination
wastewater treatment
The natural resources in a country often determine.....
the economics of the country
the quality of life of people who live in the country
the wealth of a country
all of the above
In the last 100 years the seafood resources of many parts of the oceans have been exploited so intensively that many species are overfished.
True
False
Why did Peru move down on the list of countries on the 2016 World Catch of fish, crustaceans, mollusks and other marine species report? (Select all that apply)
The fishing grounds off the coast of Peru were overfished
Peru's population decreased
Other countries population increased substantially
Peruvian's stopped eating fish
If the fish population can survive indefinitely, what type of feedback loop would this represent.
Positive Feedback Loop
Negative Feedback Loop
Minerals and nutrients from deep in the ocean are brought to the surface in cold water as a result of ___________.