Chemistry, 23.11.2019 07:31, rachelsweeney10
When communicating with apollo astronauts, there is approximately a 1.3 second delay in one-way communication. this is because
a)
space is a vacuum.
b)
the moon has virtually no atmosphere.
c)
radio waves travel at a speed of 186,000 miles/s.
d)
of the scattering of electromagnetic waves in space.
Answers: 1
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