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Author Question: Calcium carbonate readily dissolves in water that ____. A)is heated to 100o C B)contains a small ... (Read 449 times)

ss2343

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on: Jul 13, 2018
Calcium carbonate readily dissolves in water that ____.
 A)is heated to 100o C
 B)contains a small amount of carbonic acid
 C)has pH > 8
 D)is turbid
 E)contains dissolved sodium chloride

Question 2

The oldest fossils of the first vascular land plants have been found in ___________________ _ age rocks.
 Fill in the blank(s) with correct word


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dreamfighter72

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Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

Middle Silurian


ss2343

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Reply 2 on: Jul 13, 2018
Gracias!

AngeliqueG

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Reply 3 on: Yesterday
Excellent

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