chapter 11 (atmosphere)

Question 1

most ozone is formed where

Answer 1

above the tropics

Question 2

where are the thickest layers of ozone

Answer 2

above the poles

Question 3

what season is ozone thickest

Answer 3

spring

Question 4

what season is ozone thinnest

Answer 4

autumn

Question 5

how is ozone formed

Answer 5

uv radiation striking an oxygen molecule and then atomic oxygen reacting with molecular oxygen

Question 6

uva

Answer 6

skin tanning

more reaches surface

Question 7

uvb

Answer 7

blistering sunburns

skin cancer

Question 8

uvc

Answer 8

found only in stratosphere

responsible for formation of ozone

Question 9

thinning of ozone is because

Answer 9

halogens

cfcs

Question 10

cfcs are used as

Answer 10

refrigerants, aerosol propellants, insulation, foam products, etc

Question 11

which chemical is more effective than chlorine in ozone depletion

Answer 11

bromine

Question 12

where is bromine found

Answer 12

halons (fire extinguishers)

Question 13

what effect does ozone depletion have on the stratosphere

Answer 13

cools

Question 14

what effect does ozone depletion have on the immune system

Answer 14

reduces it

Question 15

what effect does ozone depletion have on crop production

Answer 15

reduces it

Question 16

what effect does ozone depletion have on mutations

Answer 16

increases them

Question 17

why are HCFCs better

Answer 17

replaces chlorine with hydrogen

breaks down more readily in troposphere

Question 18

montreal protocol

Answer 18

designed to protect stratospheric ozone layer

Question 19

how much have greenhouse gasses increased since industrialization

Answer 19

25%

Question 20

where do greenhouse gasses come from in the us

Answer 20

Energy use

Question 21

what effect will increased CO2 absorption in oceans have on seawater

Answer 21

lower pH

Question 22

how much warmer are air temps today than they were during the industrial revolution

Answer 22

5-9 degrees

Question 23

what kind of diseases will increase because of global warming

Answer 23

waterborne diseases

malaria, cholera, etc

Question 24

what type of fauna will be most affected by global warming

Answer 24

arctic fauna

Question 25

thawing of permafrost releases what

Answer 25

methane

Question 26

how high would sea levels rise if all ice on earth melted

Answer 26

225 feet

Question 27

how would thermohaline circulation be affected

Answer 27

slowed
less heavier saline water sinking
colder temps in great britain and scandinavia

Question 28

how much CO2 does united states produce (compared globally)

Answer 28

25%