Author Question: Compare and contrast dikes and sills.[br][br][b][color=#165FFA]Question 2[/color][/b][br][br]Before ... (Read 49 times)

nramada · **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

macagnavarro · **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