Strictly speaking, the sum of the angles on a triangle equals 180 degrees
A) in flat space.
B) on a spherical surface.
C) on a saddle-shaped surface.
D) all or any of the above
E) none of the above
Answer: A
Physics & Space Science
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A) 0.25 cm B) 15 cm C) 4.0 cm D) 2.4 cm E) 1.3 cm
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One pg (picogram) of 40K has how many nuclei?
a. 
b. 
c. 
d. 
e. 
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The figure shows a ‘snapshot’ of four different waves in identical ropes stretched with the same force
The waves with the largest frequency are __________ and _________.
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What kind of plate boundary separates the South American Plate from the African Plate?
What will be an ideal response?
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