15. According to one study, the mass of the entire human population is approximately 290,000,000,000,000 grams. Assuming that 1 ear of corn weighs approximately 130 grams and the average cow weighs 700,000 grams, calculate how many ears of corn are needed to feed the human population in the following scenarios: (a) If humans were herbivores/primary consumers. 200.000.000.000,00 am INT Natrin (b) If humans were carnivores/secondary consumers. 550.000.000 100.000 nami anna matinn he (c) Which type of diet for humans can feed the most people with the smallest amount of corn? Why?