What is the upper limit of stars the unaided eye can discern on a moonless night in a rural area?
A. about 30,000
B. about 3,000
C. about 300,000
D. about 3,000,000
Answer: B
Environmental & Atmospheric Sciences
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Transhumance is least common in
A) Thailand. B) Central Asia. C) parts of North Africa. D) Southern Africa. E) the Middle East.
Environmental & Atmospheric Sciences
NAFTA was approved by the U.S. Congress in 1994
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
A globe is an example of a __________________model and a map or a drawing are examples of a____________ model
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
A ________ is the icicle-like speleothem that grows down from the roof of a cavern
A) stalactite B) stalandite C) stalagmite D) slagdite
Environmental & Atmospheric Sciences