What is the main idea and supporting details of this story?

you ask the question you want to answer when ever you are on the question you want to answer there should be a green box click that and type your answer. there is no texting.

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.