The troposphere is the lowest layer of Earth's atmosphere. It extends from Earth's surface to an average height of about 12 km, although this altitude actually varies from about 9 km (30,000 ft) at the poles to 17 km (56,000 ft) at the equator, with some variation due to weather.
As a freelance newspaper reporter, you can work for different publications, completing assignments or submitting stories or articles to suit the paperâs readership.
How to Begin a Freelance Career. Every field of endeavor, every sport, every industry, every special interest group â it seems â in the country has one or two or seven or 12 or more magazines, papers or newsletters published just for it. If the publication covers the field, it's called a trade journal.