Unit Test — Cumulative exam Answers

Fossil fuels are an important natural resource used by society. Which of the following best describes fossil fuels? a. They are any liquid fuel derived from once-living matter. b. They are organic fuels derived from ancient plants and animals. c. They are fuels in which dinosaur fossils are commonly found. d. They are naturally occurring inorganic fuels like coal and petroleum. Please select the best answer from the choices provided

The trend of declining ecosystem resource availability and increasing demand for these resources can best be countered by _______.a.increasing the supply of ecosystem resourcesb.decreasing the demand for ecosystem resourcesc.applying sustainable development practicesd.developing new technologies for resource collection

Which of the following is true concerning sources of water pollution?a.Mine wastes and heavy metals become water pollution through storm water runoff.b.Biodegradable materials like food, wood, and leaves are not considered pollution.c.Petroleum byproducts and fuels end up as pollution principally from oil spills.d.Pesticides and herbicides do not commonly become water pollutants.

Which of the following is a negative consequence of scientific advancements on society?a.increased life expectancyb.increased pollutionc.new energy resourcesd.all of the above

Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming?a.Pollution began reflecting sunlight and heat rather than absorbing it.b.Evidence of global warming became overwhelming.c.Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.d.Congress required scientists to assign a cause to global climate change.

Continued deforestation will most likely lead to _______. a. a decrease in the number of endangered species b. an increase in the number of endangered species c. an increase in the number of oil and chemical spills d. a decrease in glacial melting Please select the best answer from the choices provided

Which of the following is an example of a long-term change to ecosystems?a.seasonsb.tide cyclec.evolutiond.population growth

The use of nonrenewable resources can help sustain poverty levels.

What is an advantage to alternative energy technology?a.Using alternative energy technology increases the demand for fossil fuels.b.Most alternative energy technologies use nonrenewable resources.c.Alternative energy technology can reduce the environmental impact of burning fossil fuels.d.There is no advantage to using an alternative energy technology.

Human use of groundwater has _______ over time.a.increasedb.decreasedc.decreased and then increasedd.remained the same

Which of the following statements about air pollution is not true? a. Air pollution is caused by natural and human processes. b. Carbon monoxide and sulfur oxides are common air pollutants. c. Natural components of air, like carbon dioxide, cannot be considered air pollutants. d. Primary and secondary pollutants are harmful to human health and the environment. Please select the best answer from the choices provided

Water conservation efforts have been wholly ineffective.

There are risks associated with drinking potable water.

Using water more efficiently _______.a.protects the environmentb.causes the loss of natural pollution filtersc.increases water contaminationd.all of the above

Energy efficiency strategies are based on the assumption that consumers will be willing to pay more in exchange for reduced energy use.

An understanding of how human activity affects the environment is important for environmental policy makers.

Governments and businesses have little impact on the environment.

Which of the following is(are) true concerning the 2004 tsunami in Indonesia?a.It had minimal human casualties.b.The tsunami waves were as high as 500 feet.c.It was triggered by magnitude 9.1 earthquake.d.All of the above

Which of the following is true about glass recycling?a.Recycling glass reduces the rate of deforestation.b.Recycling glass eliminates greenhouse gas emissions.c.Recycling glass is an energy-saving practice.d.Recycling glass has an incredibly short turn around time.