During prosperous times, the Easter Islanders' diet was based on ________.
A. nuts, fish, and bananas
B. fish and turtles
C. nuts, figs, and corn
D. chickens and yams
E. potatoes and goats
Answer: D
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Turbulent flow has the following properties:
a. Streamlines are parallel; no mixing between layers b. Streamlines intertwine; with complex mixing c. the velocity is relatively slow d. the velocity is large e. both b and d
Why do you think the winter season contributes to greater air pollution in northern U.S. cities?
What will be an ideal response?
At wilting point, no water remains in the soil
Indicate whether the statement is true or false
Geologists' ideas about the composition of ocean crust are greatly influenced by the study of ________.
A. continental volcanoes B. the Mohorovicic discontinuity C. the asthenosphere D. ophiolites E. chert