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Which of the following can be used as an indicator of the age of a moon's surface?
Arteries
Blood vessels that carry oxygenated blood away from the heart to various parts of the body.
Potassium Ions
Charged particles formed from potassium atoms, essential for various bodily functions including nerve transmission and muscle contraction.
Calcium Ions
Positively charged calcium atoms that play crucial roles in various biological processes, including muscle contraction, neurotransmitter release, and bone formation.
Heart Contractions
The process by which the heart muscle contracts or tightens, leading to the pumping of blood through the chambers of the heart and into the body.
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