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Author Question: Given that life on Earth appears to have arisen quite easily and rapidly suggests that the factor ... (Read 53 times)

FButt

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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.


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peilian

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


FButt

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Reply 2 on: Jul 27, 2018
Gracias!

ecabral0

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Reply 3 on: Yesterday
:D TYSM

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