why does the author introduce the article with a reference to the strange case of dr. jekylland mr. hyde

call me     2167727145                       ee

but it is sometime nessary to hit key points or subjects   but is sometimes to much reveiw if there was a way to slim down the redone work it would improve for every body.

the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.