What Is the Likely Source of Lunar Ice

question 21

Multiple Choice

What is the likely source of lunar ice?

• A)water that was present when the Moon formed
• B)contamination from human exploration of the Moon
• C)volcanism earlier in the Moon's history
• D)impacts of meteoroids and comets

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Definitions:

Altitude

The height of an object or point in relation to sea level or ground level.

Oxyhemoglobin

The form of hemoglobin bound to oxygen, responsible for transporting oxygen from the lungs to the body's tissues.

Deoxyhemoglobin

Hemoglobin without oxygen bound to it.

Carboxyhemoglobin

A complex of carbon monoxide and hemoglobin, formed by the binding of carbon monoxide to hemoglobin, which impairs oxygen delivery.