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Q 1/29
Score 0
Energy from the sun that damages DNA structure, increases mutation rate, and causes skin cancer.
30
UV radiation
Q 2/29
Score 0
thinning of Earth's ozone layer caused by CFC's leaking into the air and reacting chemically with the ozone, breaking the ozone molocules apart
30
Ozone depletion
29 questions
Q.
Energy from the sun that damages DNA structure, increases mutation rate, and causes skin cancer.
1
30 sec
Q.
thinning of Earth's ozone layer caused by CFC's leaking into the air and reacting chemically with the ozone, breaking the ozone molocules apart
2
30 sec
Q.
Chlorinated Fluorocarbons are chemicals that break down the ozone layer
3
30 sec
Q.
Chemicals containing hydrogen, fluorine, and carbons, produced as potential substitutes for CFCs
4
30 sec
Q.
carbon dioxide, water vapour, methane, and CFCs and HCFCs
5
30 sec
Q.
meeting in 1987 where a group of nations met in Canada and agreed to take steps to fight against Ozone Depletion-CFC's banned
6
30 sec
Q.
Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
7
30 sec
Q.
the greenhouse effect of different gases - the relative amount of heat a GHG will trapover a number of years in comparison to carbon dioxide
8
30 sec
Q.
a method for managing pollution in which a limit is placed on emissions and businesses or countries can buy and sell emissions allowances
9
30 sec
Q.
a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
10
30 sec
Q.
one result of global climate change, due to melting glaciers and ice caps
11
30 sec
Q.
large masses of ice found on land, not in the sea
12
30 sec
Q.
Crops failing; mountain glaciers disappearing, threatening water sources in some areas; sea level rising; extensive damage to coral reefs leads to extinction of species; rising intensity of storms and natural disasters
13
30 sec
Q.
An increase in the size of a substance when the temperature is increased
14
30 sec
Q.
controlling global warming by setting greenhouse gas emissions targets for developed countries
15
30 sec
Q.
Cooler periods during an ice age when the ice advances to cover more of the earths surface
16
30 sec
Q.
method for studying climate change by drilling cores in ice caps and glaciers that have build up over thousands of years
17
30 sec
Q.
tree growth is influenced by climate conditions, patterns in tree rings and isotopic composition of materin within each ring reflect variations in past climate
18
30 sec
Q.
Ground that is permanently frozen
19
30 sec
Q.
a high-speed high-altitude airstream blowing from west to east near the top of the troposphere. Weakens due to climate change causing polar vortex conditions
20
30 sec
Q.
a constantly moving system of deep-ocean circulation driven by temperature and salinity
21
30 sec
Q.
A phenomenon in which algae inside corals die, causing the corals to turn white.
22
30 sec
Q.
decreasing pH of ocean waters due to absorption of excess atmospheric CO2 from the burning of fossil fuels
23
30 sec
Q.
scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic
24
30 sec
Q.
A substance that increases the hydrogen ion concentration of a solution, decreases pH
25
30 sec
Q.
Human-induced changes on the natural environment
26
30 sec
Q.
Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.
27
30 sec
Q.
The removal of trees faster than forests can replace themselves.
