Examlex
The direction of the force exerted on a current-carrying wire in a magnetic field is
Bioconcentration
The accumulation of a substance in the tissues of living organisms at higher concentrations than in the surrounding environment.
Pesticide Treadmill
A situation where farmers must continuously use more and different chemicals to control pests that have developed resistance to pesticides.
Net Primary Productivity
The rate at which all the plants in an ecosystem produce net useful chemical energy; essentially, it is the amount of energy that is available to the primary consumers in an ecosystem.
Photosynthesis
The process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy in the form of glucose, using water and carbon dioxide and releasing oxygen as a byproduct.
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