What common object contains phosphorus, and what is an associated property?

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Multiple Choice

What common object contains phosphorus, and what is an associated property?

Explanation:
Phosphorus shows up in a common object: matches. A key related idea is ATP, the energy-carrying molecule in cells, which contains phosphate groups and stores/releases energy when their bonds are broken. So matches illustrate phosphorus in everyday items, and ATP highlights how phosphorus is critical for energy transfer in biology. The other options don’t fit because water, charcoal, and salt aren’t typical sources of phosphorus, and ATP is the biological molecule linked to phosphorus—not a feature of those other objects.

Phosphorus shows up in a common object: matches. A key related idea is ATP, the energy-carrying molecule in cells, which contains phosphate groups and stores/releases energy when their bonds are broken. So matches illustrate phosphorus in everyday items, and ATP highlights how phosphorus is critical for energy transfer in biology. The other options don’t fit because water, charcoal, and salt aren’t typical sources of phosphorus, and ATP is the biological molecule linked to phosphorus—not a feature of those other objects.

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