Brief expression for the number of responses already emitted in executing a ratio, especially as these function as stimuli. (E.g., "number as reinforcer" means that the ...
Cellulose is the inner element of a plant cell that provides the shape and structure of the plant. Cellulose are chains of molecules linked together into a strong matrix which ...
Liquid fuels, such as ethanol or biodiesel, that are made from biomass. Like fossil fuels, biofuels have many applications such as powering cars, trucks, ships and airplanes.