What does this cartoon mean:

Grandma is shocked because although the virus may not affect the child, it can certainly affect grandma -- who can contract it from her granddaughter!!

Explanation:

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.