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Author Question: Long ago a runaway greenhouse effect transformed the planet A) Mercury. B) Venus. C) Mars. D) ... (Read 43 times)

CQXA

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on: Jul 29, 2018
Long ago a runaway greenhouse effect transformed the planet
 
  A) Mercury.
  B) Venus.
  C) Mars.
  D) all of the above

Question 2

Glass in a florist's greenhouse acts as a one-way valve in that it
 
  A) lets light energy flow only in one direction.
  B) cuts off unwanted radiation.
  C) allows high-frequency waves in and blocks low-frequency waves exiting.
  D) is transparent only to lower-frequency waves.


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Jane

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


CQXA

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Reply 2 on: Jul 29, 2018
Gracias!

cam1229

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Reply 3 on: Yesterday
Wow, this really help

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