The BEST definition of a dependent variable is a variable that is Select one:
O a. is the experimental group in the study
O b. a measurable behavior that is affected by the independent variable
O c. kept constant during an experiment to prevent contamination of other variables
O d. controlled by the experimenter and applied to the participant to determine its effect

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).