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BIS 2B UNIT 1 QUESTIONS AND ANSWERS!!
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BIS 2B UNIT 1 QUESTIONS AND ANSWERS!!
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BIS 2B UNIT 1 QUESTIONS AND ANSWERS!!Weather
Answers :Short term, current atm conditions
Climate
Answers :average atm conditions over many years/millennia
Hadley Cell circulation
Answers :Pattern of atm circulation with warm air rising at equator and falling as
cold dry air about 30 degrees N/S.
Leads to high precipitation at the thermal equator and low precipitation at 30 N/S
Thermal equator
Answers :The area where the sun hits most intensely due to the tilt/shape of the
Earth.
The large amount of water in this area leads to warm moist area that we can see as
clouds.
Rain shadow
Answers :When air moves over water it picks up moisture. The air moves inland
and as it meets areas of high elevation the air is pushed up, making it cool down
and release moisture. When the other side is reached the air is dry (and it warms).
Earth's radiation budget
Answers :
Greenhouse effect
, Answers :Trap radiated heat from the earth. Effect has increased with more GHG
in the atm contributing to global warming
Impacts of decreasing sea ice
Answers :Hinders animal movement, reduces key resting grounds
Cryosphere
Answers :Ice on Earth's surface
Ice on land
Answers :More in South Pole; glaciers=ice on land ;ice sheet=big glacier
Ice on water
Answers :More in North Pole; ice shelf= ice connected to land but on water;
iceberg; ice on water
Why are there higher sea levels?
Answers :Melting ice mostly, but also thermal expansion. (Both from global
warming) more from land ice as sea ice already displaces water.
Impacts of global warming on cryosphere
Answers :Rising sea levels
More energetic ocean
Acidification of oceans
energetic oceans
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