Foraminifera study has shown the oceans are becoming ________
A) larger
B) deeper
C) more acidic
D) more salty
E) greener
Answer: C
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Historically, ________ of the world's population has always lived in ________, at least since the beginning of written history.
A. A small percentage; rural communities B. The vast majority; rural communities C. At least half; rural communities D. At least half; urban areas E. The vast majority; urban areas
Geographers apply ________ to create market-area studies that assist service providers with opening and expanding their facilities
A) collateral rank-size rules B) the concept of range-file-rank C) central place theory D) central primate city theory E) the range of central service theory
All chordates are vertebrates
Indicate whether the statement is true or false
The heat-loss effects of wind-chill are now considered more severe than they were in the past
Indicate whether the statement is true or false