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Author Question: A laccolith forms when a sill ____ and causes the overlying rocks to ____. A)ruptures underground; ... (Read 61 times)

genevieve1028

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on: Jul 13, 2018
A laccolith forms when a sill ____ and causes the overlying rocks to ____.
 A)ruptures underground; collapse
 B)inflates; bow upwards
 C)deflates; melt
 D)breaks the surface; explode
 E)becomes a dike; tilt 90 degrees

Question 2

The oldest rocks (not minerals) on Earth are_____ old.
 A)4.6 billion years
 B)4.4 billion years
 C)4.0 billion years
 D)3.8 billion years
 E)3.5 billion years


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akudia

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

B

Answer to Question 2

D


genevieve1028

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Reply 2 on: Jul 13, 2018
Great answer, keep it coming :)

abro1885

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Reply 3 on: Yesterday
Excellent

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