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10 questions
Which describes the greenhouse effect?
an artificial process
a dangerous process
a natural process
a new process
Which gases contribute to the greenhouse effect?
nitrogen and helium
carbon dioxide and methane
carbon dioxide and helium
nitrogen and methane
Which results from an increase in the greenhouse effect?
continental shifts
wildfires
volcanic eruptions
global warming
Which is a consequence of global warming?
cooling oceans
growing glaciers
less frequent hurricanes
rising sea levels
A factory is emitting large amounts of CFCs into the atmosphere. How might this affect people?
increase in the rate of malaria breakouts
increase in the level of ocean water
increase in the rate of skin cancer
increase in the frequency of violent storms
As the human population grows, what happens to our natural-resource requirements?
They increase.
They decrease.
They do not change.
They go in cycles.
Which is a nonrenewable resource?
Soil
Fish
Wood
Coal
Which is a renewable resource?
petroleum
wood
iron
coal
Freshwater can be renewed, but environmentalists consider it nonrenewable. Why is there a contradiction in classification?
Freshwater is recycled through the use of irrigation, bathing, and everyday use.
Freshwater is easily polluted or depleted before it can be replaced.
Freshwater evaporates and condenses, and then precipitation returns it to the lakes.
Freshwater is highly affected by global warming, and is quickly evaporating.
Scientists predict that we will eventually use up all available fossil fuels. Which list includes only fossil fuels?
wood, natural gas, and coal
natural gas, coal, and oil
wood, natural gas, and solar
coal, oil, and solar
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