How is a sill different from a dike?

A. The sill is tabular in shape.
B. Dikes are intrusive structures.
C. A sill is shaped like a mattress, while a dike is shaped like a pillow.
D. Sills are parallel to the layering in the country rock.
E. Dikes are fine-grained and sills are coarse-grained.


Answer: D

Environmental & Atmospheric Sciences

You might also like to view...

Which of the following is NOT an agricultural product that thrives in the podzol soil region of the Russian Domain?

A) potatoes B) citrus fruits (ex. oranges, grapefruits) C) dairying D) grain E) swine and meat

Environmental & Atmospheric Sciences

Light travels faster in

A. cool air. B. warm air. C. a vacuum. D. none of the above

Environmental & Atmospheric Sciences

What was the mistaken calculation made by Ptolemy that contributed to the "discovery" of the New World by Christopher Columbus?

a. Current movements b. Size of the Atlantic Ocean c. Shape of Earth d. Longitude lines e. Circumference of Earth

Environmental & Atmospheric Sciences

What community typically has the highest biomass per unit of surface area?

a. rocky intertidal b. estuary

c. sandy beach d. deep ocean e. open ocean

Environmental & Atmospheric Sciences