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The four main greenhouse gases
What is carbon dioxide, methane, nitrous oxide, water vapour
Is an adaptation rabbits have in Edmonton
What is camouflage
This type of tree ring would depict a good year with proper amounts of rain and good temperatures
What is a thick ring
Countries agreed to phase out products with these used in them, due to their ozone destruction
What is CFC's (chluorofluorcarbsons)
The angle at which sunlight strikes the Earth's surface relative to a line perpendicular to the surface.
What is the angle of incidence?