HEAD NECK
CRANIAL CAVITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A cavity is defined as ____
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____ a solid object.
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____ a space within a solid object that cannot be filled.
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____ an empty space within a solid object.
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____ an empty space within a liquid object.
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Explanation:
Detailed explanation-1: -Vacuum, a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure. Free space, a perfect vacuum as expressed in the classical physics model.
Detailed explanation-2: -Answer and Explanation: The figure that is often given for the percentage of the atom that is empty space is 99.9999999999996%. In other words, it’s mostly empty.
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