Jeremy loses his former interest in doing arithmetic after his teacher promises him $1 for each problem he solves correctly. Which theory best explains Jeremy's loss of interest in arithmetic?
a. self-monitoring theory
b. self-perception theory
c. cognitive dissonance theory
d. self-presentation theory

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Photosynthesis converts solar energy into what type of energy?

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection