Show:
Carbon dioxide
Methane
Dangers of global warming
F gases
Nitrous oxide
100
What does most of the carbon dioxide in the atmosphere come from?
fossil fuels
100
Methane traps 20 times more heat in the atmosphere than______.
Carbon dioxide
100
Which greenhouse gas is the most potent?
Methane
100
What home appliance are F gases used in mostly?
refrigerators
100
Nitrous oxide comes mostly from what industry?
Agriculture
200
What species creates the most carbon dioxide?
Humans
200
One source of methane is ___________.
Cow manure
200
If it gets too hot from global warming, the ____________ will melt.
polar ice caps
200
what percentage of F gases come from refrigerators and air conditioning?
79%
200
What percentage of Nitrous oxide comes from agriculture?
79%
300
Carbon dioxide is used by plants to make ________.
oxygen
300
There are machines called methane digester that take cow manure, turn it into ________ and reduce the methane that comes from it.
electricity
300
The Earth would be a lot colder without an _______.
atmosphere
300
What percentage of greenhouse gases are F gases?
1%
300
What produces the least amount of Nitrous oxide?
transportation or manure management
400
How much of greenhouse gases come from fossil fuels creating carbon dioxide?
57%
400
How much of the greenhouse gases is methane
14%
400
If the polar ice caps melt, __________ could rise destroying cities
sea levels
400
What percentage of F gases come from aerosols?
5%
400
What percentage of greenhouse gases are nitrous oxides?
8%
500
How much of the greenhouse gases is created by deforestation, biomass etc. creating carbon dioxide?
17%
500
10% of methane comes from_______.
Coal mines
500
If the world overheats from global warming, which greenhouse gas will it mostly be from?
Carbon dioxide
500
F gases are the _______ effective at trapping heat in the atmosphere.
least
500
One pound of Nitrous oxide is almost ___ times worse for the atmosphere than one pound of carbon dioxide.
300