The Caloris Basin on Mercury Covers a Large Region of the Planet,but

question 98

Multiple Choice

The Caloris Basin on Mercury covers a large region of the planet,but few smaller craters have formed on top of it.From this we conclude that

• A)erosion destroyed the smaller craters that formed on the basin.
• B)Mercury's atmosphere prevented smaller objects from hitting the surface.
• C)only very large impactors hit Mercury's surface in the past.
• D)the Caloris Basin formed toward the end of the solar system's period of heavy bombardment.
• E)the Caloris Basin was formed by a volcano.

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Definitions:

Hair Bulb

The rounded, club-shaped part at the base of the hair follicle, containing the cells that produce the hair.

Pattern Baldness

Pattern baldness, also known as androgenetic alopecia, is a type of hair loss that typically progresses in a predictable pattern in both men and women.

Vellus Hair

Short, fine, usually unpigmented hair that covers the body except for the scalp, eyebrows, and eyelids. Much of the vellus is replaced at puberty by terminal hairs.

Genetic Factors

Traits or conditions determined by genes inherited from one's parents, influencing various aspects of an individual's life.