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Author Question: You have a bicycle accident. Although you are OK, the bike is a mess. The rear wheel is bent, it ... (Read 24 times)

jake

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on: Jul 16, 2018
You have a bicycle accident. Although you are OK, the bike is a mess. The rear wheel is bent, it will need a new chain, and the front tire is punctured. The estimated cost of repair is about 100. You can buy a new bike for about 120.
 
  What is the most environmentally friendly option? A) Repair the bike
  B) Buy a new bike and toss the old one
  C) Drive a car instead
  D) Throw away the old bike and buy a cheap used one at a garage sale

Question 2

How does a geologist see atoms?
 
  What will be an ideal response?


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canderson530

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Reply #1 on: Jul 16, 2018
Answer to Question 1

A

Answer to Question 2

TEM - Transmission electron microscope. Magnets focus streams of electrons; detector determines which electrons passed through the materials, and which encountered obstacles, revealing the internal arrangement of atoms and thus structure.


jake

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Reply 2 on: Jul 16, 2018
Excellent

coreycathey

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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