QUIZ 491

Check your Knowledge Quotient!

1. Increasing temperatures in the Arctic region are reducing sea ice cover and increasing the possibility of methane leaching from the sea bed.

A. True

B. False

C. Both of the above

D. None of the above

2. Scientists say that the release of large amounts of methane from thawing permafrost in the Arctic could cost $60 trillion (£39 trillion), roughly the size of the global economy in 2012.

           

A. True

B. False

C. Both of the above

D. None of the above

           

3. Large amounts of methane are concentrated in the frozen Arctic tundra.

A. True

B. False

C. Both of the above

D. None of the above

4. Methane is a powerful greenhouse gas, even though it lasts less than a decade in the atmosphere.

           

A. True

B. False

C. Both of the above

D. None of the above

5. Hydrates, or clathrates, are a frozen mixture of water and gas, primarily methane.

A. True

B. False

C. Both of the above

D. None of the above

Best of luck!

Answers

1 – A, 2 – A, 3 – A, 4 – A, 5 – A