Most environmental problems are caused by people.（)

Which two people are most in favour of setting applicants problems？A．The professor.B．Sandr

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Which two people are most in favour of setting applicants problems？A．The professor.B．Sandr

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Air pollution People and air pollution are often in the same places. This means that cities with large populations have the biggest problem of dirty air. Air pollution is caused by many different thi

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Most of the environmental problems are man－made.（)

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The environmental problems bothering refugees in their own homeland are （).A、tsunamiB、

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Chicago Poems and The People, Yes are the most important collections of poems by ______, t

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According to Nigel, most problems of air travel are caused by ______.A．unfavorable weather

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