How do most students in puerto rico go to school? a. they walk b. they ride a bike c. they take a school bus d. they drive their own car

They walk

Cause many students, parents, family cant afford the money to go on buses, bikes, or cars. Either school buses cause who knows if the school buses stop where they live

I hope this works

YW!

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.