Ques:Answer the following question given this paragraph: A three-prong plug is generally used on metal appliances. The two flat prongs carry current to and from the appliance. The round prong is for safety. It connects with a wire inside the outlet that goes down into the ground. If any stray current leaks from the circuit or if there is a short circuit, the ground wire carries the current into the ground, which harmlessly absorbs it. Q: What type of plug is generally used on metal appliances? Choices: - 4 prong - .2 prong - 5 prong - 3 prong A:

Ans:3 prong
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Ques:Answer the following question given this paragraph: As you can see in Figure above , the electric and magnetic fields that make up an electromagnetic wave occur are at right angles to each other. Both fields are also at right angles to the direction that the wave travels. Therefore, an electromagnetic wave is a transverse wave. Q: Because the fields that make up an electromagnetic wave are at right angles to each other and to the direction that the wave travels, an electromagnetic wave is considered what? Choices: - insverse wave - transverse wave - stimulation wave - transverse wave A:

Ans:transverse wave
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Ques:Answer the following question given this paragraph: Q: What is a bread mold and research organism that also grows in the wild on burned vegetation Choices: - penicillin - nemophora - whey - neurospora A:

Ans:neurospora
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Ques:Answer the following question given this paragraph: Remember that a phase change depends on the direction of the heat transfer. If heat transfers in, solids become liquids, and liquids become solids at the melting and boiling points, respectively. If heat transfers out, liquids solidify, and gases condense into liquids. Q: What type of direction does a phase change depend on? Choices: - weight transfer - power transfer - humidity transfer - heat transfer A:

Ans:
heat transfer
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