Q: What is a winding ridge of sand deposited by a stream of meltwater called? Choices: - sand dune - desert - oasis - esker A:
esker
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Q: In the nematic phase, only the long axes of the molecules are parallel, and the ends are staggered at random intervals. in the smectic phase, the long axes of the molecules are parallel, and the molecules are also arranged in planes. finally, in thecholesteric phase, the molecules are arranged in layers; each layer is rotated with respect to the ones above and below it to give it this? Choices: - layer structure - kinetic energy - symmetry - spiral structure A:
spiral structure
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Q: What forms after air cools below its dew point? Choices: - sleet - smoke - plasma - fog A:
fog
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Q: Mutations cannot be passed on to offspring if they occur in what type of cells? Choices: - put cells - kept cells - blood cells - body cells A:
body cells
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