Which of the following factors led greek communities to build both an army and a navy? a. their location on a peninsula b. their access to many rivers c. their access to mountains d. their location near the middle east (giving 20 ! )

Which of the following explains why scarcity is a basic fact of life a. demand will always be greater than supply b. technology has not advanced far enough yet c. there will always be too many people on earth d. people cannot make good allocation decisions