What is the period from peak to peak with regard to CO2 and for temperature for the past 450,000 years?
What will be an ideal response?
They have both fluctuated on a cycle of approximately 100,000 years.
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Geography is
A) place names. B) the study of places, and how places interact spatially to form patterns. C) rivers and mountains. D) maps.
What is a more accurate term for the feeding relationship of organisms?
a. Food chain b. Food web c. Trophic chains d. Primary consumpti
What negative perceptions about the Great Plains might discourage high-technology firms from locating in the region?
A) That the region is dull and uninteresting. B) That it will be hard to find H1-B immigrant workers there. C) That it is hard to find well-educated workers there. D) None of the above.
How much precipitation do deserts receive?
A) Less than 250mm B) 450-550mm C) 250-350mm D) 350-450mm E) 550-650mm