EXAM 2
Due Mar 18 at 11:59pm
Points 150
Questions 50
Available Mar 15 at 12am - Mar 18 at 11:59pm
Time Limit 60 Minutes
Instructions
You have 60 minutes to complete the exam. The clock starts the moment you open the exam and will not
stop for any reason. Do not attempt to log off and expect to complete the exam later on, the clock
continues to tick while you are logged out.
This exam has 50 questions and is worth a total of 150 points. Questions 1 through 45 are a mix of
True/False and Multiple Choice, and questions 46 through 50 are numerical problems. . Make sure you
save enough time for the last few questions.
NOTES:
Download a copy of the exam sheet (Canvas) before you start the exam.
For fill in the blank type numerical problems, just enter the numerical part of the answer along with
the decimal point. Do not use any other characters such as commas, dollar signs ($), cent signs (¢),
percent symbols (%), or the words "years", "months", "weeks", "days", "hours", "minutes", or
"seconds".
Feedback for this Exam (along with your responses and the correct answers) will be made available
after the deadline for this Quiz.
Attempt History
Attempt Time Score
LATEST Attempt 1 59 minutes 147 out of 150
Correct answers will be available on Mar 21 at 12am.
Score for this quiz: 147 out of 150
Submitted Mar 16 at 11:08pm
This attempt took 59 minutes.
Question 1
pts
Which gases contribute to the acid rain formation? (select all that apply)
Nitrogen Oxides
, Sulfur dioxide
Carbon monoxide
Particulate matter
Carbon dioxide
Acid rain is a serious environmental problem around the world, particularly affecting Asia, Europe, and
large parts of the U.S. and Canada. The acidic pollutants such as SO2 and NOx are emitted into the
environment by combustion of fossil fuels.
Click here to learn more (https://www.e-education.psu.edu/egee102/node/2206)
Question 2
pts
The largest ozone hole _____.
moves around the world
is over South America
is over the arctic circle
is over Antarctica
Recent studies by NASA and other have indicated that about 40 percent of the ozone in the Antarctica
has been destroyed and about 7 percent of ozone is destroyed from the Arctic Circle.
Click here to learn more (https://www.e-education.psu.edu/egee102/node/1972)
Question 3
pts
The greenhouse effect is a man-made phenomenon.
True
False
Click here to learn more (https://www.e-education.psu.edu/egee102/node/1956)
Question 4
pts
Once destroyed, stratospheric ozone cannot be re-formed.
True
False
Ozone is constantly produced and destroyed in a natural cycle. However, the overall amount of ozone is
essentially stable. This balance can be thought of as a stream's depth at a particular location.
Due Mar 18 at 11:59pm
Points 150
Questions 50
Available Mar 15 at 12am - Mar 18 at 11:59pm
Time Limit 60 Minutes
Instructions
You have 60 minutes to complete the exam. The clock starts the moment you open the exam and will not
stop for any reason. Do not attempt to log off and expect to complete the exam later on, the clock
continues to tick while you are logged out.
This exam has 50 questions and is worth a total of 150 points. Questions 1 through 45 are a mix of
True/False and Multiple Choice, and questions 46 through 50 are numerical problems. . Make sure you
save enough time for the last few questions.
NOTES:
Download a copy of the exam sheet (Canvas) before you start the exam.
For fill in the blank type numerical problems, just enter the numerical part of the answer along with
the decimal point. Do not use any other characters such as commas, dollar signs ($), cent signs (¢),
percent symbols (%), or the words "years", "months", "weeks", "days", "hours", "minutes", or
"seconds".
Feedback for this Exam (along with your responses and the correct answers) will be made available
after the deadline for this Quiz.
Attempt History
Attempt Time Score
LATEST Attempt 1 59 minutes 147 out of 150
Correct answers will be available on Mar 21 at 12am.
Score for this quiz: 147 out of 150
Submitted Mar 16 at 11:08pm
This attempt took 59 minutes.
Question 1
pts
Which gases contribute to the acid rain formation? (select all that apply)
Nitrogen Oxides
, Sulfur dioxide
Carbon monoxide
Particulate matter
Carbon dioxide
Acid rain is a serious environmental problem around the world, particularly affecting Asia, Europe, and
large parts of the U.S. and Canada. The acidic pollutants such as SO2 and NOx are emitted into the
environment by combustion of fossil fuels.
Click here to learn more (https://www.e-education.psu.edu/egee102/node/2206)
Question 2
pts
The largest ozone hole _____.
moves around the world
is over South America
is over the arctic circle
is over Antarctica
Recent studies by NASA and other have indicated that about 40 percent of the ozone in the Antarctica
has been destroyed and about 7 percent of ozone is destroyed from the Arctic Circle.
Click here to learn more (https://www.e-education.psu.edu/egee102/node/1972)
Question 3
pts
The greenhouse effect is a man-made phenomenon.
True
False
Click here to learn more (https://www.e-education.psu.edu/egee102/node/1956)
Question 4
pts
Once destroyed, stratospheric ozone cannot be re-formed.
True
False
Ozone is constantly produced and destroyed in a natural cycle. However, the overall amount of ozone is
essentially stable. This balance can be thought of as a stream's depth at a particular location.
