And although you can't build from Planning Sets, they will allow you to gather bids from contractors, arrange your furniture in the plan, analyze traffic patterns and gauge the site lines on your lot.
A: Earth's atmosphere, which is around 300 miles thick, is mainly made of nitrogen and oxygen, although there are many other trace substances in its composition. Trace substances make up only 1 percent of the bulk of the atmosphere while nitrogen (78 percent), oxygen (21 percent) and argon (1 percent) make up the rest. Continue Reading
portion of solid Earth, living matter, oceans, and the atmosphere. â¢ Earthâs atmosphere is made up of a combination of gases, including nitrogen, oxygen, and carbon dioxide. â¢ Nitrogen and oxygen are the most common elements in the atmosphere. They make up almost 99% of the atmosphere by mass.