The tundra is a harsh envioroment so only the toughest plants and animals can survive.
Walden is Thoreau's account of two years he spent living in a small cabin he built next to Walden Pond in Concord, Massachusetts.
This statement best describe and summarize the third paragraph of economy in walden
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After marrying Juliet, Romeo views Tybalt as a kinsman.
It might mean the destruction of a planet or of natural ecosystems.