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Author Question: Changes in the sun angle above the horizon were first used to prove that Earth was spherical and ... (Read 48 times)

CBme

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on: Aug 7, 2018
Changes in the sun angle above the horizon were first used to prove that Earth was spherical and also estimate its size about 200 years ago.
  Indicate whether the statement is true or false

Question 2

Ecologists refer to natural processes (such as forest fires or landslides) that destroy or damage a great deal of existing vegetation as ____.
 a. gap creation
 b. mosaics
 c. succession
 d. ecological niches
 e. krummholz


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aruss1303

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Reply #1 on: Aug 7, 2018
Answer to Question 1

F

Answer to Question 2

a


CBme

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Reply #2 on: Aug 7, 2018
Thank you!


aruss1303

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Reply #3 on: Aug 7, 2018
Always glad to help...


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