environmental test 3/31

Question 1

Identify an input to the atmospheric system from the diagram.*

Answer 1

incoming solar radiations

Question 2

Which gas components of the atmosphere are greenhouse gases? Select all that apply.*

Answer 2

methane
carbon dioxide
water vapor

Question 3

what is a primary pollutant

Answer 3

b)A pollutant which has been emitted from a direct source

Question 4

What is a secondary pollutant?

Answer 4

A pollutant which has undergone a physical or chemical change

Question 5

Layer of gas located in the stratosphere that absorbs UV radiation.*

Answer 5

ozone layer

Question 6

The breakdown of stratospheric ozone:
I. Can originate from the emission of CFCs.
II. Is catalyzed through a free chlorine (Cl) atom.
III. Prevents all UV rays from reaching the earth’s surface.*

Answer 6

c)I & II

Question 7

Which agreement allowed for a reduction, and eventual elimination, of CFC production and use?*

Answer 7

montreal protocol

Question 8

How do CFCs affect ozone production?*

Answer 8

a)UV radiation frees a chlorine atom, which breaks down ozone

Question 9

Which is NOT a result of the reduction in stratospheric ozone?*

Answer 9

d)Increased birth defects

Question 10

Which is NOT an example of an ecological consequence of reduced stratospheric ozone?*

Answer 10

c)Increased crop yield

Question 11

UV rays can cause obvious short term damage, such as sunburn, as well as long term damage that accumulates with each exposure to the sun.*

Answer 11

true

Question 12

Which chemical that replaced CFCs in refrigerants is now a concern as a major greenhouse gas?*

Answer 12

HFCs

Question 13

Which of these sets of three items produce CFCs?*

Answer 13

d)Spray cans, refrigerant, insulation

Question 14

Though CFC production has been curtailed, the threat to upper atmospheric ozone continues because CFCs…*

Answer 14

d)Persist and continue to destroy ozone for decades

Question 15

The burning of which fuel is the main source of industrial Tropospheric Ozone (smog)?*

Answer 15

coal

Question 16

Which are primary pollutants that lead to acid deposition? Select all that apply.*

Answer 16

b)NO₂
c)SO₂

Question 17

How can acid deposition be mitigated? Select all that apply.*

Answer 17

b)Burn less coal or use scrubbers (reduces SO₂)
c)Burn less fossil fuels (reduces NO₂)
e)Catalytic converters (reduces NO₂)

Question 18

Incoming solar radiation > Outgoing solar radiation = ?*

Answer 18

increasing temperature

Question 19

The most abundant greenhouse gas is:*

Answer 19

water vapor

Question 20

Tropospheric Ozone is the result of which two of the following chemicals? Select all that apply.*

Answer 20

c)VOCs
d)Nitrous Oxides (NOx)

Question 21

The first step of Acid Deposition is when _____ and _____ are emitted into the atmosphere.

Answer 21

a)NOx and SO₄

Question 22

The second step of Acid Deposition is when chemicals emitted into the atmosphere _____.*

Answer 22

c)Travel great distances

Question 23

The third step of Acid Deposition is when chemicals are picked up by rain in the form of _____ and _____ and fall down to earth.*

Answer 23

d)H₂SO₄ and HNO₃