The warming of the Earth due to buildup of carbon dioxide and other gases that help trap energy is termed the greenhouse effect.
Because the exchange of incoming and outgoing radiation that warms the earth because heat trapped is close to Earth's surface by “greenhouse gases.” These heat-trapping gases can be thought of as a blanket wrapped around Earth, keeping the planet toastier than it would be without them.
Green house gases:
1) Carbon dioxide (CO2)
2) Methane (CH4)
3) Nitrous oxide (N2O)
4) Industrial gases:
a) Hydrofluorocarbons (HFCs)
b) Perfluorocarbons (PFCs)
c) Sulfur hexafluoride (SF6)
d) Nitrogen trifluoride (NF3)
The concentration of greenhouse gases is increasing in large part because of the combustion of fossil fuels. Key sources of chlorofluorocarbons are solvents, refrigerants, and propellants.
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Answer:
European nations used their Pacific Island colonies in various ways. Some islands were essentially plantations and were dedicated entirely to agricultural production on a large scale. Still other islands served as military bases, nuclear test sites, or trust territories.
Explanation:
Answer:
Columbus described the Natives he first encountered as “timid and full of fear.” Why did he then capture some Natives and bring them aboard his ships? Imagine the thoughts of the Europeans as they first saw land in the “New World.”
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