About 30,000 years ago, humans survived most like which of the following organisms?

A) Roaming groups of omnivorous chimps
B) Herds of herbivorous bison and elk
C) Flocks of herbivorous geese migrating broadly across continents
D) Isolated carnivorous cougars hunting for their own meals


A

Environmental & Atmospheric Sciences

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Offshore ridges of sand that lie parallel to the beach are called:

a. littoral bars b. longshore bars c. berms d. beach scarps

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Metabolism is a collective term for thousands of:

A. Enzymatic reactions necessary for life B. Cells in an organism C. Molecular reactions in a cell D. Organic compounds in a cell

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These two small countries are completely surrounded by South Africa ________________ and ___________________.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

An ideal shelter for housing a temperature-measurement instrument should be white and in the

shade. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences