How Can a Sill Be Distinguished from a Lava Flow

question 11

Multiple Choice

How can a sill be distinguished from a lava flow?

• A)A sill is generally finer-grained than a lava flow.
• B)Rocks above and below a sill will show evidence of heating,but only the rocks below a lava flow will show evidence of heating.
• C)Sills generally have vesicles; lava flows generally do not have vesicles.
• D)Sills generally overlie soils; lava flows do not generally overlie soils.

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Definitions:

Sympathetic

Pertaining to the part of the autonomic nervous system that prepares the body for action and stress responses.

Sympathetic Neurons

Sympathetic neurons are part of the autonomic nervous system and responsible for the body's fight or flight response, regulating involuntary body functions like heart rate and blood flow.

Parasympathetic Neurons

Neurons that are a part of the parasympathetic nervous system, responsible for stimulating "rest-and-digest" or "feed and breed" activities in the body.

Sweat Glands

Specialized exocrine glands in the skin that produce sweat, helping in thermoregulation and excretion.