The footprints left on the moon by the Apollo astronauts will likely last for
A) millions of years.
B) no time; they were quickly erased by micrometeorites.
C) the remaining existence of the Moon.
D) a few decades.
A
Physics & Space Science
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The horizontal surface on which the objects slide is frictionless. If M = 1.0 kg and the magnitude of the force of the small block on the large block is 5.2 N, determine F.
A. 6.0 N B. 9.0 N C. 7.8 N D. 4.8 N E. 4.1 N
Physics & Space Science
The first plants probably evolved from
A) plankton B) algae C) corals D) seaweed
Physics & Space Science
Volcanoes do not form at which type of convergent plate boundary?
A) oceanic—oceanic boundaries B) oceanic—convergent boundaries C) continental—continental convergent boundaries
Physics & Space Science
The apparent magnitude of a star observed from a distance of 10 pc is called _____
Fill in the blank(s) with correct word
Physics & Space Science