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10 Cards in this Set

  • Front
  • Back

1) What country consumes the most energy in the world?




A) Russia


B) China


C) United States


D) Canada

C) United States. The U.S. uses almost twice the amount of energy as the world's second-largest energy consumer, China.

2) What country produces the most energy in the world?


A) Iraq


B) Saudi Arabia


C) United States


D) Russia

C) United States. The United States produces about 16% of all the energy produced in the world. Russia is No. 2, at 13%.

3) What is the leading source of energy in the United States?


A) Coal


B) Oil


C) Nuclear power


D) Natural gas

B) Oil. Oil provides the U.S. with about 39% of its energy.

4) Which of the following sources of energy is NOT renewable?


A) Petroleum


B) Hydropower


C) Biomass


D) Solar power

A) Petroleum. Petroleum is a fossil fuel. Coal and natural gas are other examples of fossil fuels, which are nonrenewable.

5) How much of the world's water is available for human use?


A) 97%


B) 23%


C) 3%


D) Less than 1%

D) Less than 1%. Only about one-third of 1% of all water on Earth is available for human use.

6) About how long does it take a Styrofoam cup to decompose?


A) 10 years


B) 2 months


C) 400 years


D) 150 years

C) 400 years. It only takes an orange peel six months to decompose.

7) According to the Sierra Club, what is the most polluted city in the world?


A) Los Angeles, California


B) Linfen, China


C) New Dehli, India


D) Mexico City, Mexico

B) Linfen, China. Linfen, China, has held the dubious distinction for a few years. Tianying, China also makes the Top 10 list.

8) What is the most common type of debris that litters our oceans?


A) Bags


B) Plastic beverage bottles


C) Cigarettes


D) Food packaging

C) Cigarettes. Volunteers for the International Coastal Cleanup removed nearly two million cigarettes and cigarette filters in their most recent effort to clear litter from the world's oceans.

9) Three Mile Island was the site of what disaster?


A) The worst nuclear explosion in the world


B) The worst forest fires in U.S. history


C) The worst accident in U.S. nuclear-reactor history


D) The worst oil spill in U.S. history

C) The worst accident in U.S. nuclear-reactor history. On March 28, 1979, at the nuclear power plant near Harrisburg, Pennsylvania, coolant (the fluid that keeps a machine cool) escaped from the reactor core due to a combination of mechanical failure and human error.

10) What is the most common type of trash thrown away by Americans?


A) Paper products and cardboard


B) Metals


C) Glass


D) Plastics

A) Paper products and cardboard. Paper products and cardboard account for about 39% of all trash.