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100
large chunks of ice that break off continental glaciers and float in the sea
What are icebergs
100
the sun heats the earth's surface most effectively when the rays are more nearly _________ to the earth's surface
What is vertical
100
the Siberian tundra has this type of climate
What is polar
100
a person who studies climate and climate change
What is a climatologist
100
the African Savanna has this type of climate
What is tropical rainy
200
this helps to regulate temperatures on the earth's surface similar to a thermostat
What is precipitation
200
The earth's average temperature has increased __________ degrees C over the last 50 years
What is 0.5-0.8
200
the forests of the US Great Lakes region has this type of climate
What is temperate continental
200
the two places that continental glaciers are found today
What are Antarctica and Greenland
200
seasonal winds that bring six months of rainy weather to southeast Asia
What are monsoons
300
Increased ___________ activity may cause global warming
What is sunspot
300
this would most likely affect the average temperature of a location
What is elevation
300
this occurs when the sun's noon rays are vertical above the Tropic of Capricorn in the Southern Hemisphere
What is the summer solstice
300
the boundaries of the Arctic and Antarctic circles are at _______ degrees from the poles
What is 23 1/2
300
Young Earth scientists believe this about the ice age
What is there was one major ice age and several mini ice ages
400
the average weather conditions in an area over a period of many years
What is climate
400
anthropogenic global warming is caused by _________
What is man
400
the slopes of Mt. Kilimanjaro have this type of climate
What is highland
400
the lapse rate of the troposphere has this effect with temperature at different levels of a mountain
What is temperature drops with altitude
400
these have been studied to determine how atmospheric carbon dioxide levels might have changed over the past few decades
What are ice cores from glaciers
500
when South America, Mexico, and the southwest US receive flooding rains this is indicative of a ________ period
What is ENSO
500
this hypothesis says that man-made carbon dioxide in the atmosphere traps heat from the sun, raising the earth's temperature
What is the greenhouse hypothesis
500
the two weather factors that allow scientists to describe and map different climate zones
What are average temperature and average precipitation
500
the promise that God gave to Noah in Genesis 8:22
What is seasons would continue to come and go
500
these two things can lower the earth's average temperature for a year or more
What are major volcanic eruptions and large regional dust storms