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Author Question: Ten thousand years ago, forests covered approximately 50 of Earth. Today, forests cover ... (Read 109 times)

shofmannx20

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on: Jul 14, 2018
Ten thousand years ago, forests covered approximately 50 of Earth. Today, forests cover approximately ________ of the Earth's land area.
 
  A) 50 B) 15 C) 5 D) 30 E) 70

Question 2

This cobble shows prominent scratches because ________.
 
  A) it was tumbled in a stream
  B) it was scraped against other rocks in a glacier
  C) it was blasted by wind
  D) this was its shape when it was mechanically weathered from its source rock
The Environment and You ¦ Christensen, Leege ¦ 2nd Edition
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zhanghao

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Reply #1 on: Jul 14, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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shofmannx20

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Reply 2 on: Jul 14, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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