Section A: Multiple Choice Flashcards
1
Q
Where in Canada are uranium mines concentrated?
a) Southern Ontario
b) Northern Ontario
c) Saskatchewan
d) Northern Quebec
e) Newfoundland
A
c) Saskatchewan
2
Q
Which of the following greenhouses gases is a major human made source of ozone depleting substances?
a) chlorofluorocarbons (CFCs)
b) carbon dioxide
c) DDT
d) UVA & UVB
e) nitrous oxide
A
a) chlorofluorocarbons (CFCs)
3
Q
Which region of Canada experiences the most extensive erosion?
a) Maritimes
b) Prairies
c) Southern Ontario
d) British Columbia
e) none of the above
A
b) Prairies
4
Q
How many mass extinction events does the fossil record suggest occurred in the past 540 million years?
a) 8
b) 15
c) 4
d) 10
e) 5
A
e) 5