The field of knowledge that investigates the origin of landforms on the Earth and other planets. Geothermal Energy Heat energy derived from the Earth's interior. The beginning of vegetative growth of a plant from a seed . Usually pertaining to processes associated with glaciers . A large long lasting accumulation of snow and ice that develops on land.
Most glaciers flow along topographic gradients because of their weight and gravity .
Gleization A soil formation process that occurs in poorly drained environments. Results in the development of extensive soil organic layer over a layer of chemically reduced clay that takes on a blue color. Global Warming Warming of the Earth's average global temperature because of an increase in the concentration of greenhouse gases . A greater concentration in greenhouse gases in the atmosphere is believed to result in an enhancement of the greenhouse effect . Glucose Simple six-carbon sugar .