You just have to go over it over and over until you can memorize it and remember where everything is<span />
Density (a) is the correct answer
<span>Scientists believe that differences in density cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. </span>
B. how similar geological features could be continued from one continent to another.
B. rock. i am not exactly sure but i think is rock.
