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Author Question: If the human eyeball is too short from front to back, this gives rise to a vision defect that can be ... (Read 19 times)

TFauchery

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on: Jul 27, 2018
If the human eyeball is too short from front to back, this gives rise to a vision defect that can be corrected by using
 
  A) convex-convex eyeglasses.
  B) concave-convex eyeglasses.
  C) cylindrical eyeglasses.
  D) contact lenses, but no ordinary lenses.
  E) shaded glasses (i.e., something that will cause the iris to dilate more).

Question 2

Which of the following kinds of signal do we currently have the best chance of detecting with currently technology?
 
  A) a signal used for communication between a civilization's home world and another star system
  B) a signal used for communication between a civilization's home world and another planet in its own planetary system
  C) an intentional signal beacon
  D) a signal used for local communication in the world where the intelligent beings exist


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abctaiwan

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

A

Answer to Question 2

C


TFauchery

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Reply 2 on: Jul 27, 2018
:D TYSM

FergA

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Reply 3 on: Yesterday
Wow, this really help

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