compare and contrast the contributions of both the Greeks and the Arabic scholars to the development of geography​

Ibelieve the answer is c. map projections.hope my answer has you : )

Answerkolkata;

The us is first  the  u.s. economy  remains the  largest in the world  in terms of nominal  gdp. however, the  u.s. economy  loses its spot as the number one  economy  to china when  measured  in terms of  gdp  based on ppp. in these terms, china's  gdp  is $23.19 trillion exceeds the  u.s. gdp  of $19.42 trillion

Your answer would be 625,000,000.