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Author Question: During a solar eclipse, the umbra moves across Earth's surface generally from a. east to west. b. ... (Read 130 times)

tiffannnnyyyyyy

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on: Jul 28, 2018
During a solar eclipse, the umbra moves across Earth's surface generally from
 a. east to west.
  b. west to east.
  c. south to north.
  d. north to south.

Question 2

A lens that is thicker at the center than at the edge is called a(n) ______________ lens.
 Fill in the blank(s) with correct word


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Tabitha_2016

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

b

Answer to Question 2

convex, or converging


tiffannnnyyyyyy

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Reply 2 on: Jul 28, 2018
Gracias!

parshano

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Reply 3 on: Yesterday
Wow, this really help

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