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Author Question: Compare and contrast dikes and sills.[br][br][b][color=#165FFA]Question 2[/color][/b][br][br]Before ... (Read 93 times)

nramada

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on: Jul 13, 2018
Compare and contrast dikes and sills.

Question 2

Before the appearance of cells capable of sexual reproduction, ____.
 A)there was no life on Earth
 B)evolution was comparatively slow
 C)evolution was comparatively fast
 D)cells could not reproduce
 E)multicelled organisms existed


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macagnavarro

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

Dikes and sills are both tabular or sheetlike igneous bodies. However, dikes cut across the country rock's layering and sills have boundaries that parallel the layering in the country rock.

Answer to Question 2

B


nramada

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

helenmarkerine

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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