The bet between Paul Ehrlich and Julian Simon in the late 1960's a. demonstrated that global resources, as represented by the price of five metal commodities in the bet, were being depleted and causing economic problems. b. was over whether global population would fall or rise in 5 key countries over the 10 years from 1970 to 1980. c. represented two basic ideas, one that technology would always provide more food and basic needs, the other that population would soon cause widespread famine and ecological disaster. d. involved the prices of wheat, corn, and rice, and whether they would rise or fall over 10 years in response to supply and demand