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rolab97 rolab97
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6 years ago
How many covalent bonds can an individual carbon atom form?
 
  a. 1
  b. 2
  c. 4
  d. 8

Question 2

Many studies of potentially useful new drugs involve the use of two groups of people: One group takes the drug and another group takes a placebo (like a sugar pill). Members of both groups do not know whether they are taking the drug or the placebo. What is the reason for designing these experiments this way?
 
  What will be an ideal response?
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magn0117magn0117
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6 years ago
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rolab97 Author
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6 years ago
Thanks ... 100% Correct  Thumbs Up Sign
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6 years ago
You're very welcome
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