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Author Question: Solar energy a. is a recent invention b. has been used for a long time c. has not yet been ... (Read 8 times)

saraeharris

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on: Jul 28, 2018
Solar energy
 a. is a recent invention
  b. has been used for a long time
  c. has not yet been successfully developed
  d. is indirectly the source of most of the energy we use

Question 2

Stepping barefoot off a rug onto a hardwood floor makes your feet feel cold. Why?
 a. The hardwood floor is at a lower temperature than the rug.
  b. The hardwood floor is at a lower temperature than your feet.
  c. The hardwood floor conducts heat away from your feet better than the rug.
  d. all of the above


millet

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B, D

Answer to Question 2

B, C


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