All of the following words can be used to describe Rivendell except... -hostile
-helpful
-sympathetic
-peaceful

umm of course in fact ur getting your answer : )

what was the conclusion

explanation:

since conclusion is the over all summarize.

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.