Public Domain. Courtesy of. Definition: Christianity is a monotheistic religion whose adherents believe that Jesus of Nazareth is the son of God and their savior. Christianity developed out of a sect of Judaism that believed Jesus was the messiah prophesied in the Old Testament.The main tenet of Christianity is that Jesus was resurrected.ublic Domain. Courtesy of. Definition: Christianity is a monotheistic religion whose adherents believe that Jesus of Nazareth is the son of God and their savior. Christianity developed out of a sect of Judaism that believed Jesus was the messiah prophesied in the Old Testament.
The cryosphere is the component of the Earth that composed of all solid, frozen water found on Earth. The cryosphere includes water storage areas such as glaciers, iceburgs, snow-covered areas, and sea ice. The cryosphere expands and contracts over the course of the months as average temperatures across the globe fluctuate.
The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass and 99% of its water vapour and aerosols.The average depth of the troposphere is approximately 17 km in the middle latitudes.iktionary (0.00 / 0 votes) Rate this definition: troposphere (Noun). The lower levels of the atmosphere extending from the earth's surface up to the tropopause. It is characterized by convective air movements and a large vertical temperature change.