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.
Why did Thoreau live in the woods? Thoreau Reader: Home-Walden The simple answer is that Henry wanted to write, and needed a quieter place than the Thoreau household to do this. And he did write both A Week on the Concord and Merrimack Rivers and an early draft of Walden in his two years at the pond.hy did Thoreau live in the woods? Thoreau Reader: Home-Walden The simple answer is that Henry wanted to write, and needed a quieter place than the Thoreau household to do this. And he did write both A Week on the Concord and Merrimack Rivers and an early draft of Walden in his two years at the pond.