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Env. Climate
Climate
| Question | Answer |
|---|---|
| decomposed by chloring atoms | ozone molecules |
| vertical sunlight | equatorial regions |
| trade winds, westerlies, and polar easterlies | prevailing winds |
| a greenhouse gas added to the atmosphere when fossil fuels are burned | carbon dioxide |
| winds push warm water eastward in the Pacific Ocean | El Nino |
| international limits on CFC production to protect the ozone layer | Montreal Protocol |
| result of high UV radiation at Earth's surface | DNA damage |
| water is cooler than usual in the eastern Pacific Ocean | La Nina |
| caused by wind and influenced by Earth's rotation | surface ocean currents |
| long-term prevailing atmospheric conditions | climate |
| as cold air sinks it compresses and | warms |
| elevation is a factor in climate because under most conditions temperature _______ as elevation increases | falls |
| seasonal changes in daylight hours and climatic conditions are caused by | the tilt of Earth's axis |
| the ozone layer protects living organisms on Earth by | blocking ultraviolet(UV)radiation |
| Ozone holes appear in polar regions during springtime when ozone-destroying | chlorine atoms are released from polar stratospheric clouds |
| Though CFC production has been curtailed, the threat to upper atmospheric ozone continues because CFCs continue to destroy ozone for | decades |
| Tropical rain forests, oceans and phytoplankton reduce | carbon dioxide in atmosphere |
| redord of carbon dioxide concentrations from Mauna Loa reveals | steady increase since 1958 |
| consequence of a rise in global temperature | frequent droughts, major storms, rising sea levels |
| Global warming may occur more _________ today than it did during previous climate changes | rapidly |
| Ultraviolet radiation is dangerous because it can | damage genetic material in cells |
| CFC's are environmentally significant because chlorine atoms | destroy stratospheric ozone molecules |
| Greenhouse gases trap heat that is | radiated upward from Earth's surface |
| During sm\ummer in S. Hemisphere, the N. Hemisphere experiences | winter |
| as the amount of ozone in the stratosphere decreases | more ultraviolet light is able to reach Earth's surface |
| CO2 levels have _______ over the last 30 years | risen |
| reforestation by itself is not sufficient to slow | global warming |
| global temperature and _____________ concentration are related | carbon dioxide |
| CO2 levels are higher in winter and lower in | summer |
| latitude strongly influences climate because more solar energy falls in areas near | equator |
| the average global temperature has ___________ during the 20th century | increased overall |
| the effect of a mountain range on the climate of a region causes temperature to | rise with elevation |
| the coastal side of a mountain range has more | precipitation |
| a desert is often found on the inland side of a | mountain range |
| If the earth were not tilted temperate regions would not have | seasons |
| the thinning of the ozone layer will take | many years to reverse |
Created by:
CMoody