Depending on many factors, including climate, mineral content of the soil, and the permanency of surface water, wetlands may be moss, gras, or covering with shrubs or trees.

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Air pollution, together with littering, are causing many problems in us large, industrial cities today.

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.............. is a word or group of words often used in campaigns to attract people's attention.

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Few businesses are flourishing in the present economic climate.

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The ability to be independent comes _____to a person when he grows up.

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Dwelling primarily in the ice Northern Polar seas, blue whales are characteristically small, white, agile, and exclusive

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Stars derive their energy from thermonuclear reactions that take place our heat interiors.

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An (octopus has three hearts to pump its blood throughout their body

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Some jellyfish make daily journeys at deep water the surface and back, while others migrate horizontal .

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It’s a lovely old house, I agree, can we afford to moderning it?

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After Allan had searched for twenty minutes, he realized that the jacket had been laying on the table the entire time 

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It is crucial that urban people not look down on rural areas.

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My father used to _____ me to the zoo when we _____ in the city.

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Compose Richard Rodgers, lyricist Oscar Hammerstei II brought to musical Oklahoma extensive musical and theatrical backgrounds as well as familiar with the traditional forms of operetta and musical comedy

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Today’s nuclear fission fuels are the remnants of which used to be a much more active mixture of radioactive and fissionable materials two billion years ago and maybe earlier.

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Sawfish are shark-like fish have “saws” of cartilage setting with two rows of teeth on their snouts.

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The lawn needs mowing again.

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“How does human brain work?” remains one of the most profound questions confront modern Science.

To assure the safely of those workers who may handle radioactive materials, employers should not leave them enter contaminated areas without protective clothing.

Women also work to share the household financial ______with their husbands.