QUIZ 494

Check your Knowledge Quotient!

1. Despite ozone's beneficial role blocking harmful radiation in the stratosphere, ozone is a pollutant in the ground-level troposphere.

A. True

B. False

C. Both of the above

D. None of the above

2. Seasonal ice, which forms over the winter when seawater freezes,  is much saltier than its older counterpart because it has not had time to undergo processes that drain its sea salts.

           

A. True

B. False

C. Both of the above

D. None of the above

           

3. Frost flowers -- clumps of ice crystals up to four times saltier than ocean waters -- providing more salt sources to fuel bromine releases.

A. True

B. False

C. Both of the above

D. None of the above

4. Sleep quality impacts skin function and ageing.

           

A. True

B. False

C. Both of the above

D. None of the above

5. Droid smartphone brand belongs to Verizon Wireless, the biggest US mobile service provider.

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