Areference in a literary work to a person, place, or thing in history or another work of literature

a. allusion
b. symbol

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 culture

1. it me on problems i dont know.

2. i can others, which gives me extra practice

3. i learn new things.

4. it fun and easy to use which relives stress.

5.i can prepare myself for tests and quizzes

hope this buddy!

plz mark brainliest

- courtney