Waikiki Beach is kept at its desired size by ________
A) nourishment
B) groins
C) dams
D) a seawall
E) recycling cleaned garbage
Answer: A
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Phil paddles his canoe at 8 m/s in still water. Keeping this speed he then paddles upstream in a river that flows downstream at 6 m/s. To his friend sitting on shore, Phil's speed is
A. 10 m/s. B. 8 m/s. C. 2 m/s. D. 6 m/s.
What suggests that Drakes Estero is quite shallow?
The question is based on Map T-15, the “Point Reyes, California” quadrangle (scale 1:62,500; contour interval 80 feet) showing Point Reyes and Drakes Bay in Point Reyes National Seashore (38°01'38"N, 122°57'51"W). What will be an ideal response?
Agricultural density is the number of
A) farm animals per area suitable for agriculture. B) farmers per area of arable land. C) farms per total area of land in a country. D) people per area of arable land E) acres of farmland per the total area of a country.
Sailors were able to find longitude at sea before they could measure latitude.
Indicate whether the statement is true or false.