What is the mail topic in how pizza conquered America

How has immigration influence the food choices in many countries?

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources