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Explain why stars are able to lose mass as they expand to red giant size.
Percentage
A portion of a whole expressed as a number between 0 and 100 rather than as a fraction.
Hectares
A metric unit of square measurement equal to 10,000 square meters, commonly used in agriculture and land measurement.
Land
The part of the earth's surface that is not covered by water, often considered in terms of its ownership or use.
Purchase
The act of buying goods or services, often involving a legal transaction between a buyer and a seller.
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