From steam locomotives to space shuttles, our methods of ___ have advanced rapidly in a relatively short period of time.

the correct answer is c. he speculates on what might happen at given points in the future in a world without people. alan h. weisman is an american author, professor, and journalist. authors organize their information with a purpose. they present their ideas in an organized way. this is called text structure. weisman uses text structure so as to improve overall comprehension and to prove his points.

the answer is actually c   i just got done with the test.

answer: common sense was the pamphlet that thomas paine used to convince reluctant americans to abandon the goal of reconciling with britain and to accept that independence was the only option to preserve their liberty.