What are the two main political parties here in the United States?

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

Why do all market economies have taxes to support armed forces police forces public schools and at least some form of public transportation?

During the 1500s,most rulers supported established a. political systems. d. none of the above b. churches c. freedom of speech