ES3 second midterm Exam A

ES3 second midterm Exam A - Exam A Environmental Sciences 3...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Exam A Environmental Sciences 3 Second Midterm Exam June 3, 2008 Write your name and discussion section number (or meeting day and time) on the exam and on the scantron. Circle the correct answer on the quiz and enter into the scantron. Turn in both the exam and the scantron at the end of the period. NAME________________________________________SECTION______________________________ 1. Which chemical does not deplete the stratosphere of ozone? a. Chlorofluorocarbon (CFC) b. Methyl bromide c. Carbon dioxide d. Carbon tetrachloride 2. The greatest decline in the thickness of the stratospheric ozone layer has occurred over Antarctica a. The statement is true b. The statement is not true 3. Which of the following is not a danger posed by ozone depletion? a. Skin cancer b. Cataracts c. Phytoplankton damage d. Damage to immune system e. All of the above are dangers posed by ozone depletion 4. The seasonal ozone hole has extended as far as Australia a. The statement is true b. The statement is not true 5. About how much has Earth’s average temperature increased in the last 100 years? a. 10 degrees C b. 5 degrees C c. 1 degree C d. It hasn’t increased 6. What is the Greenhouse Effect in the atmosphere? a. Scattering of sunlight by pollution that cools the planet b. Destruction of the stratospheric ozone layer c. The trapping of long wave radiation emitted from the planet surface d. The absorption of short wave radiation emitted by the sun 7. What is ozone? a. A chemical pollutant in the troposphere that is harmful to plants and humans b. A compound formed in the stratosphere that protects the planet surface from excessive UV radiation c. O 3 d. All of the above
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Exam A e. b and c only 8. Why did the average temperature of the planet go down between 1940-1960? a. Excessive volcanic activity b. Declines in sunspot activity c. Carbon dioxide concentration in the atmosphere decreased d. Particulate pollution by humans scattered incoming sunlight back into space 9. Which of the following is not a greenhouse gas? a. Carbon dioxide b. Methane c. Nitrous oxide d. Chlorofluorocarbons (CFCs) e. All of the above are greenhouse gases 10. Land use change released more carbon dioxide to the atmosphere in the 20 th century than fossil fuels a. The statement is true b. The statement is not true 11. If the floating ice sheets in the Arctic melt, sea level rise could be three feet or more a. The statement is true b. The statement is not true
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/12/2008 for the course ENSC 003 taught by Professor Juryw during the Spring '08 term at UC Riverside.

Page1 / 6

ES3 second midterm Exam A - Exam A Environmental Sciences 3...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online