Rank the following features in order from oldest to youngest:
a) the tectonic ridge from 3a to 3b
b) crater 1a
c) the smooth floor of crater 1b
b) crater 1a
c) the smooth floor of crater 1b
a) the tectonic ridge from 3a to 3b
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The asteroid Vesta seems to have once been volcanically active, amazing for its small size
Indicate whether the statement is true or false
Someone shakes a string to create a wave. The string is tied to the other side of a room. The wave takes 2.0 seconds to propagate from one end of a room to the other. If this experiment is repeated, how could the wave be made to travel across the room in 4.0 seconds?
1.Shake the string half as quickly. 2.Shake the string with vibrations that are half the amplitude. 3.Double the string tension. 4.Quarter the string tension.
A nearsighted person has a far point of 50 cm for his right eye and 150 cm for his left eye. For each eye, what power contact lens will allow the person to see gorgeous sunsets?
What will be an ideal response?
The Big Bang is regarded as the expansion of
A) space. B) energy. C) time. D) matter.