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Author Question: Which is not true of Earth's atmosphere? A) It is the sum of all the exhalations and inhalations ... (Read 48 times)

hbsimmons88

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on: Jul 14, 2018
Which is not true of Earth's atmosphere?
 
  A) It is the sum of all the exhalations and inhalations of life on Earth.
  B) We consider the top of the atmosphere to be 32,000 km (20,000 mi.) from Earth.
  C) It protects us from deadly UV radiation, yet lets light through.
  D) Its temperatures range from -90C (-130F) degrees to 1200C (2200F).
  E) The principle substance is air, a mixture of many gases that behaves like a single gas.

Question 2

Subarctic climates have a long growing season owing to the long summer days.
 
  Indicate whether the statement is true or false


zhanghao

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Reply #1 on: Jul 14, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


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