Unit 7: Global Change

Question 1

Uh radiation

Answer 1

Portion of electromagnetic spectrum, most damaging from 280-320nm on wavelength

Question 2

Ozone depletion

Answer 2

Depletes over polar regions because the cold creates clouds of ice crystals

Question 3

Montreal protocol

Answer 3

Countries participating have agreed to stop productions of CFC’s at 1986 levels

Question 4

Greenhouse effect

Answer 4

Solar radiation penetrates earth it either reflects or absorbed. Reflected radiation 1/3 goes back to space. The absorbed causes thermal motion or conduction

Question 5

Greenhouse gasses

Answer 5

CO2, methane, water vapor, ozone, and CFC’s

Question 6

Deforestation

Answer 6

Increases the carbon in the atmosphere

Question 7

Kyoto protocol

Answer 7

Argument between 150 countries to reduce greenhouse gasses

Question 8

Clean air act of 1972

Answer 8

Established carbon dioxide as criteria pollutant and set standards for it and other greenhouse gasses

Question 9

Biodiversity

Answer 9

Refers to the vastly different species on earth; three types: biodiversity, species diversity, ecosystem diversity

Question 10

Genetic diversity

Answer 10

Variety of different genes in and gene pool of population in single species

Question 11

Bottleneck effect

Answer 11

Survival of few individuals after a cataclysmic effect

Question 12

Low genetic diversity

Answer 12

Extinction is on the way

Question 13

CFC’s

Answer 13

Greatest threat to ozone depletion

Question 14

What are the major form of greenhouse gasses?

Answer 14

H2O, CO2, CH4, N2O, CFC’s

Question 15

What are the natural sources of carbon dioxide?

Answer 15

Volcanic eruptions, decomposition, wildfires

Question 16

Global change

Answer 16

Change occurring in the chemical, biological and physical properties of the planet

Question 17

Global change

Answer 17

Warming of the oceans, landscaping, and atmosphere

Question 18

In what two forms does the sun radiate energy?

Answer 18

Visible radiation and UV rays

Question 19

What are the natural sources of nitrogen?

Answer 19

Denitrification

Question 20

Carbon footprint

Answer 20

Total amount of greenhouse gasses emitted by an individual, organization, event