Ques:Q: Practical limits of van de graaff generators arise because the large electric fields polarize and eventually do what to surrounding materials? Choices: - displace - isolate - decompose - ionize A:

Ans:ionize
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Ques:Q: What is the name of the bone that forms the forehead? Choices: - forebone - high bone - upper bone - frontal bone A:

Ans:frontal bone
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Ques:Q: Motor neurons and sensory neurons are part of what nervous system? Choices: - peripheral - central - autonomic - sensory-somatic A:

Ans:sensory-somatic
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Ques:Q: How do all musical instruments create sound? Choices: - condensation - stimulation - conduction - vibration A:

Ans:
vibration
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