Notes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| the Minoan and the Roman Warm perods were____ warmer than present | 4 degrees
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| the Medieval Warm period is __ degrees warmer than present | 2
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| between 1650 and 1850 the world cooled _____ degrees | 4
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| in the 20th century warming period it has warmed _-_ degrees in the last 100 years | .2-.9
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| there were records of huge ____ production in the Roman warming period | wine
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| Scientists used the evidence provided to _ | infer the climate changes
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| the warmest time period | the holocene climate optimum
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| scientists credit medieval warm period to | the Inca Empire
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| Incas had warm weather to farm extensivley irrigated with _____ | glacier runoff
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| Vikings took advantage of the ocean to settle ___ and _____ | Iceland ; Greenland
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| ________ years ago there was a deep ice age level down _____ ft. and man walked from _____ to ___ | 50000; 300;Asia; Alaska
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| took Earth ___ years to get out of Ice Age | 40000
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| Holocene refers to the Earth's last______ years of history | 10000
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| CO2 levels have been rising for _______ years to end the ice age | 18000
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| ice core samples from antarctica show __ glacial/ interglacial cycles | 8
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| when did warm period peak and what has itt been doing since | 1998; cooling
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| Have CO2 levels reached previous interglacial periods | yes
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| 9.99% of climate is regulated by | water, orbital variations,and solar variations
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| water accounts for what percent of the greenhouse effect | 36-66
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| T/F CO2 causes climate change. explain | false because co2 is a product of climate change
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| there is a constant exchangement between | oceans, atmosphere, and vegetation
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| _____ billion tons of CO2 circulate annually between ocean and atmosphere | 90
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| when ocean water is ------- gases are absorbed and trapped | cold
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| what is an indicator of a rising temperature | co2
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| what water mass is a BIG indicator of temperature | Arctic Ocean
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| what is the effect of no evaporation | no snow to replenish the icecaps so they will shrink
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| what do large amounts of snow cause | the solar heat goes into space causing global cooling
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| it takes ____ years of warming or cooling to effect the world's oceans which in turn effects the atmos | 800
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| perihelion and aphelion are examples of | eccentricity
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| diffe rfrom the normal | eccentricity
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| variation in the earth's tilt from the sun | obliquity
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| the change in the earth's wobbling | precession
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| why does solar variation vary | the sun is more active through cycles
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| sun spots vary thru a ____ year cycle | 11
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| from 1900 - 1960 there were more sunspots ever seen in over ___ years | 8000
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| the last sunspot cycle was from 1991- 2007 averaged ________ sunspots per year | 1361
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| the current sun spot cycle began in 200 and appears to be _ -er than the others | weaker
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| our present sunspot cycle had its peak in | 1998
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