Common to all past glacial periods in Earth history is the presence of a continent in ____________________ latitudes
Fill in the blank(s) with correct word
polar
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When considering evidence of glaciation on the southern continents, why did Wegener reject the explanation that the entire planet had experienced a period of extreme cooling?
A) Because the glacial debris was localized to a few small mountain valleys B) Because he knew the "glacial debris" was actually a misinterpreted landslide C) Because geologic evidence supported the existence of tropical swamps in the Northern Hemisphere D) Because the 16O/18O ratios in fossils supported an ice-free period
What do climate models predict will happen to average temperatures in the southern hemisphere over the next 100 years?
A. Temperatures will increase B. Temperatures will stay about the same C. Temperatures will decrease
The scientific, two-part Latin name of a species ________
A) is always composed of a family and genus name B) is always composed of a genus and species name C) is always composed of two unique names for that species D) describes exactly to which phylum it belongs E) describes exactly to which kingdom it belongs
El Niño seems to entail all of the following, except:
A) a significant change in the Walker circulation. B) the occurrence of the Southern Oscillation. C) weaker trade winds. D) lower evaporation rates in the eastern Pacific.