Author Question: Given that life on Earth appears to have arisen quite easily and rapidly suggests that the factor ... (Read 76 times)

FButt · **on:** Jul 27, 2018

Given that life on Earth appears to have arisen quite easily and rapidly suggests that the factor flife, in the Drake equation could be close to

A) 1
B) 0.25
C) 0
D) 0.5

Question 2

You are standing on a sidewalk. There is a car in the distance. The horn on the car sounds. You hear it at a pitch that corresponds to a sound frequency lower than the frequency emitted by the horn. What can you conclude?

A) The wind has a component of its velocity in a direction toward you.
B) The car is moving on a line directly away from your present location.
C) The wind has a component of its velocity in a direction away from you.
D) The car has a component of its velocity in a direction away from you.
E) Either A or C must be true.