Q: What phase of a human life does not have a definite starting point? Choices: - adolescence - death - childhood - adulthood A:
adulthood
------
Q: How many bones does the mammalian middle ear have? Choices: - two - twelve - four - three A:
three
------
Q: Magnetic resonance imaging devices use what to cool the superconducting magnets? Choices: - antifreeze - dry ice - fluorocarbons - liquid nitrogen A:
liquid nitrogen
------
Q: Light waves which interfere with themselves after interaction with a small aperture or target are said to what? Choices: - refract - adduce - reflect - diffract A:
diffract
------