What happened to ocean 18O/16O during the last major glacial period?
A. It stayed the same
B. It increased
C. It decreased
Answer: B
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The _________________________ was the main colonizer of the Pacific Islands.
Fill in the blank(s) with the appropriate word(s).
Compare and contrast the Darwin-Wallace mechanisms of natural selection and evolution with Lamarck’s theory of
inheritance of acquired characteristics. Explain how both of these concepts might apply to the development of long necks in giraffes What will be an ideal response?
The accompanying graph shows the number of Atlantic hurricanes since the 1880's. Based on when most global warming has occurred, one would conclude
A. all hurricanes have increased in frequency. B. no trends are apparent from this graph. C. short duration hurricanes have increased in frequency. D. moderate duration hurricanes have increased in frequency.
When viewed from the surface, these clouds may be viewed as individual cloud elements (puffs) or as rows of ripples that resemble the scales of a fish
a. stratocumulus b. cumulus c. cirrocumulus d. altocumulus e. cumulonimbus