Nature and the environment

What does the word mean "to preserve"?

What does the word mean "recreation"?

What does the word mean "virgin"?

What does the word mean "invaluable"?

What does the word mean "to admire"?

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I met the woman ..... works at Askania Nova Reserve.

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Where is the newspaper ....... has the article about the greenhouse effect?

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Did I tell you about a scientist ..... lived in the rainforest?

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The forest ..... is across the street from our house is going to be destroyed soon.

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The report on exhaust fumes ..... Michael is writing must be finished by Thursday.