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According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d