Examlex
Galileo is credited with the invention of the calculus.
Hydrologic Cycle
The water cycle, which includes evaporation, precipitation, and flow to the ocean; supplies terrestrial organisms with a continual supply of fresh water.
Nitrification
The conversion of ammonia (NH3) to nitrate (NO3-) by certain bacteria (nitrifying bacteria) in the soil; part of the nitrogen cycle.
Transpiration
is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere.
Aquatic Ecosystems
Water-based environments, including oceans, lakes, rivers, and wetlands, where plants and animals interact.
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