How many atp are generated in the electron transport chain?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Which table represents points on the graph of h(x) = 3√-x+2?

If a is a nonzero real number then the reciprocal of a is