What does perserved mean

to keep alive or in existence; make lasting: to preserve our liberties as free citizens. to keep safe from harm or injury; protect or spare. to keep up; maintain: to preserve historical monuments. to keep possession of; retain: to preserve one's composure.

To keep or save from injury,loss or ruin protect the laws will help preserve rain forest.

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.

the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.