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31 Cards in this Set

  • Front
  • Back
The most abundant greenhouse gas on the planet is ___, but there's nothing we can do about it.
water
The number one greenhouse gas that man has been adding to the atmosphere is....
carbon dioxide
The melting of land-based ice could cause a significant ___ of ____ level
rise
sea
When the ocean warms-up, it also has the potential to ___. If it does, it could ____ coastal communities.
expand
flood
If a large amount of sea ice or land ice melts in the Arctic, the freshwater that pours into the ocean could stop the ___ ___ ___
ocean conveyor belt
If the ocean conveyor belt system stops, then the warm water that bathes Europe may stop, causing that continent to slip into ___ ___
Ice Age
Temperature and Carbon dioxide levels go ___ and ___ together, looking like puzzle pieces.
up
down
(are directly related)
Methane is about ____ times more potent than carbon dixoide.
25
Methane is another name for ....
natural gas
Methane is released abundantly from .....
cattle
swamps
landfills
arctic ice
In which season (for the northern hemisphere) is the amount of CO2 higher?
winter
Why is there less CO2 in the atmosphere in the N. hemisphere summer?
Trees have leaves & absorb CO2
A very cold spell in earth's history is called an....
Ice Age
A warm spell in earth's history is called an....
Interglacial period
The greenhouse gas, nitrous oxide, is released from....
agricultural fertilizers
Nitrous oxide is ____ times more potent than carbon dioxide.
360
Another greenhouse gas, formed as a secondary air pollutant from NOx & VOCs, is ____ and is thousands of times more potent than CO2
Ozone (O3)
Most of the light that reaches the earth is .....
reflected
The average reflectivity of an object is called....
albedo
Light colored objects, like snow, sand, and ice have ____ albedo
high
Forests, grass, and cities ten to have a ___ albedo
low
When albedo is low, then light is ....
absorbed
Low albedo means that the temperature of the object is likely to _____
rise
If clouds, ice, snow, and airborne volcanic ash make albedo high, then it can make the temperature of the earth.....
drop
As the climate warms, ____ of water increases, which increases the chance of ____
evaporation
precipitation
A warming planet can make us have ____ snow in the winter and ____ violent storms in the summer.
more
more
When sea level rises, people will have to ....
move to higher ground
Most of the CO2 we put into the air comes from the act of.....
combustion of fuels
Another greenhouse gas is ___, which is also an ozone depleter.
CFC
chlorofluorocarbons
The northern hemisphere has the majority of ____ and thus most of the trees, making more of a difference in CO2 than the southern hemisphere
land
When polar ice melts, the albedo of the earth will be ___ than it is now.
less