ATP is a high energy molecule produced by the processes of cellular respiration and fermentation. In the phosphorus cycle, phosphorus is circulated mainly through soil, rocks, water, and living ...

A key question when trying to understand the global carbon cycle is whether the oceans ... zooplankton and larger metazoans to respiration in the water column. Finally, we evaluate the probable ...

The water cycle is also known as the hydrological cycle. It is called a cycle because water moves continuously around the system. When material is dropped by the river. Deposition happens when ...