Biosphere is defined as, ‘’The narrow zone of contact between the land, water and air. It is in this zone that life, that is unique to this planet, exists.’’ ...

The carbon cycle is the biogeochemical cycle by which carbon is exchanged between the biosphere, geosphere, hydrosphere and atmosphere of the Earth. The cycle is usually thought of as four major ...

By biosphere, modern biologists mean the part of the Earth's crust (lithosphere and hydrosphere) and of the lower parts of the Earth's atmosphere (troposphere) where life is present, together with ...

Researchers who study Earth's biosphere tend to operate from one of three scientific cultures, each with distinct ways of conducting science, and which have been operating mostly independently ...

geog 1 - Physical Geography - 3 Units This course provides an overview of Earth¿s physical systems, including the atmosphere, biosphere, hydrosphere, and lithosphere. Topics covered include weather ...