The Reason That Rocks or Even Footprints on the Moon

question 47

Multiple Choice

The reason that rocks or even footprints on the Moon do not weather is that:

• A) the temperatures on the Moon are so hot that all water is evaporated.
• B) the temperatures on the Moon are so cold that all water at the surface exists only as ice.
• C) the Moon's atmosphere is made exclusively of CO₂ and is completely lacking in water.
• D) the Moon has no atmosphere, and therefore no chemical weathering can occur.

---

Definitions:

Tracheostomy Care

The management and maintenance of a tracheostomy tube, including cleaning and monitoring to prevent infections and ensure airway patency.

Sterile Technique

A set of specific practices performed to maintain sterility during medical procedures to prevent infection.

Muscular Dystrophy

A group of genetic disorders characterized by progressive weakness and degeneration of the skeletal muscles that control movement.

Impaired Spontaneous Ventilation

A condition where the natural ability to breathe independently and maintain adequate gas exchange is diminished or compromised.