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Author Question: Alfred Wegener speculated that the present continents were once part of a single supercontinent that ... (Read 73 times)

Chelseaamend

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on: Jul 28, 2018
Alfred Wegener speculated that the present continents were once part of a single supercontinent that he named
 a. Landusia.
  b. Atlantis.
  c. Pangaea.
  d. Gondaland.

Question 2

The horizontal rows of elements in the periodic table are called
 a. periods.
  b. groups.
  c. families.
  d. series.


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adf223

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

c

Answer to Question 2

a


Chelseaamend

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Reply 2 on: Jul 28, 2018
Wow, this really help

alvinum

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Reply 3 on: Yesterday
Excellent

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