Increase in which gas is primarily responsible for increased global warming?

• Carbon dioxide
• Water vapor
• Methane
• Nitric oxides

What is the most dramatic result of deforestation?

• land is no longer green and full of life
• pictures from space show deforestation
• loss of habitat for approximately 70% of the worlds species
• people can't explore rainforests

The natural resources used by society are limited by various factors. Why is coal considered a nonrenewable resource?

• Once coal is used up, it can never be replaced.
• Coal is a nonrenewable resource, because it comes from the impact of meteors with the Earth
• Coal was a renewable resource, until it was mismanaged by humans
• Coal is considered a nonrenewable resource, because it takes millions of years to form

Fossil fuels are an important natural resource used by society. Which of the following best describes fossil fuels?

• They are any liquid fuel derived from once-living matter.
  
• They are organic fuels derived from ancient plants and animals.
• They are fuels in which dinosaur fossils are commonly found.
• They are naturally occurring inorganic fuels like coal and petroleum.

Wind is a __________ energy resource.

• Renewable
• Nonrenewable

What is this picture likely illustrating?

• It is comparing the number of trees in the past to the number of trees now to show the effects of deforestation.

• It is showing the hole in the ozone layer.

• It is describing how the number of people who drive to work has decreased over time.

• None of the above

What area of the world has seen a 4 degree rise in temperature?

• The north

• The south

• The east

• The west

T/F: Carbon dioxide is a common greenhouse gas that has the ability to lower heat levels.

• True

• False

Why are the Rainforests being destroyed?

• diseases carried by insects
• Wildfires
• tropical storms
• human demand for wood and farmland

Which human activity would have a negative impact on the earth?

• Reforestation
• preserving endangered soecies
• burning fossil fuels for energy
• Using alternative energy sources