Composition of Earth's atmosphere by volume. The lower pie represents the trace gases that together compose about 0.038% of the atmosphere (0.043% with CO2 at 2014 concentration). The numbers are from a variety of years (mainly 1987, with CO2 and methane from 2009) and do not represent any single source.
User: How long did Thoreau live in the woods at Walden Pond? User: How long did Thoreau live in the woods at Walden Pond? Weegy: Thoreau lived in the woods at Walden Pond for two years, two months, and two days.
Walden Henry David Thoreau. Thoreau's Walden was written for a very specific audience. At its smallest, its intended audience is comprised of those Concord residents who had attended his lectures at the village lyceum and who had questions about the two years he had... Copyright Â© 1999 - 2015 GradeSaver LLC.