Strictly speaking, as more and more skyscrapers are built on the surface of the earth, does the day tend to become longer or shorter? and strictly speaking, does the falling of autumn leaves tend to lengthen or shorten the 24-hour day? what physical principle supports your answers?
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Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
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To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter
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How much hereditary information is contain in a human sex cell
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The chemical equation below shows the reaction of methane (ch4) and oxygen gas (o2) to form carbon dioxide (co2) and water (h2o). ch4 + 2o2 → co2 + 2h2o in this equation, which of the following are products? a. methane and oxygen gas b. carbon dioxide and methane c. carbon dioxide and water
Answers: 1
Strictly speaking, as more and more skyscrapers are built on the surface of the earth, does the day...
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