Biology, 12.12.2020 16:10 msjbryant33

Which of the following statements is true? a.) Cool air is less dense than warm air.
b.) Electricity flows from positive to negative areas.
c.) Sound does not require a medium for travel.
d.) Magnetism is caused by the spinning motion of electrons.

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Which of the following statements is true? a.) Cool air is less dense than warm air.
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More questions: Biology Another questions

Which of the following statements is true? a.) Cool air is less dense than warm air. b.) Electricity flows from positive to negative areas. c.) Sound does not require a medium for travel. d.) Magnetism is caused by the spinning motion of electrons.

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Another question on Biology

Which of the following statements is true? a.) Cool air is less dense than warm air.
b.) Electricity flows from positive to negative areas.
c.) Sound does not require a medium for travel.
d.) Magnetism is caused by the spinning motion of electrons.