How Is a Sill Different from a Dike

question 46

Multiple Choice

How is a sill different from a dike?

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

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Definitions:

White Blood Cell

A type of immune cell that is vital in the body's defense against infection.

Injury Site

The location on the body where an injury has occurred.

Platelets

Small, disc-shaped cell fragments in the blood that are essential for blood clotting and repair of damaged blood vessels.

Costimulation

A process in immunology where an additional signal provided by one immune cell enhances the activation or survival of another, leading to an effective immune response.