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:

Side Effect

An unintended and usually adverse effect of a drug or therapy that occurs in addition to the desired therapeutic effect.

Demerol

A brand name for meperidine, a narcotic analgesic used to treat moderate to severe pain.

Morphine IV

Intravenous administration of morphine, a powerful opiate used for severe pain management.

Furosemide

A loop diuretic medication often used to treat fluid build-up due to heart failure, liver scarring, or kidney disease by promoting urine production.