Through exposure to air, water, and organic matter, rocks _____ changes known as weathering.
undergo
举一反三
- How is rabies transmitted A: through the bites of rabid animals B: through direct contact C: through water D: through the air
- Organic chemicals mainly come from oil, natural gas, and . A: metal B: air C: water D: coal
- Air pollution is becoming worse. As is known to all, air to us is ________ water to fish. No one can imagine how human being can live without air.
- When cutting through Yuleishan Mountain, the workers used fire to heat stones and water to cool the rocks to. They applied the principle of thermal _____________ and cold contraction into practice.
- Wherever there is matter, there is energy; all changes of matter _______ changes in the form of the energy.
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Less weathering occurs in deserts because __________. A: there is little light B: there is a lack of moisture C: there are too few organic acids from plants D: both a lack of moisture and a scarcity of organic acids
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有机物质装载( organic matter loading )
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High energy environment are not conducive to the _______ of organic matter in muds.
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Phineus instructed Jason how to take the ship between the Symplegades rocks, also known as the “Clashing Rocks,” that guarded the entrance to the Bosphorus.
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大自然中的山、石、树、风、水等物皆可为神。 A: hills, rocks, trees, the wind, the water B: hills, rocks, trees, wind, water C: hill, rock, tree, the wind, the water D: N/A