a stretch of land, especially with regard to its physical features
ecosystem
interaction
relating to or determined by the sun
made or produced by human beings rather than occurring naturally, especially as a copy of something natural
(of a plant, animal, or cell) capable of surviving or living successfully, especially under particular environmental conditions
biosphere
a grassy plain in tropical and subtropical regions, with few trees
savanna
the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms
a biological community of interacting organisms and their physical environment
microbes
a particular way in which matter, fields, and atomic and subatomic particles affect one another, e.g. through gravitation or electromagnetism
solar
a microorganism, especially a bacterium causing disease or fermentation.
relating to or denoting the generation of electricity using flowing water (typically from a reservoir held behind a dam or other barrier) to drive a turbine that powers a generator
terrain
viable
artificial
hydroelectric
