Questions

Unlike other gas cycles, the phosphorus cycle differs in having atmospheric reservoir. No other gases are involved in it.

The Progressive Movement:

Today, you hear the term ''progressive'' discussed a lot in politics, but progressivism is not a new concept. It was first used to describe policies and interventions of the late 19th to early 20th century, by reformers who felt the need for societal changes.

The first Progressives felt called to action in response to the conditions of poverty, inequality, and corruption that were pervasive during the 19th century.

Quakers are members of a group with Christian roots that began in England in the 1650s. Sir William Penn was an English nobleman, writer, early Quaker, and founder of the English North American colony the Province of Pennsylvania.

Nicolaus Copernicus was decribed by his work on "The Heliocentric Theory" which is based on that the earth revolves around the Sun.

This theory was developed in parts by different astronomers over many years, namely Aristarchus, Copernicus, Kepler, and Galileo.