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Contracts

what are mercenaries
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What Are Mercenaries?

What Are Mercenaries? Mercenaries are soldiers who give their services, and if necessary, their lives, to anyone who will pay them enough to

how does a thermometer work
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How Does a Thermometer Work?

How Does a Thermometer Work? Most thermometers are sealed glass tubes with liquid inside. A thermometer measures heat by the amount of liqui