1. It is theory that describe the progression of different types of magma??? 2. It is layer of the earth where magma is produced???

3. It is chemical process in which the composition of a liquid, such as magma, changes due the to crystallization???

HELPPP

The difference(s) between the grand canyon and valles marineris is/are: (a) the grand canyon was formed by water, but valles marineris was not. (a) valles marineris is much longer than the grand canyon. (c) valles marineris is much wider than the grand canyon. (d) valles marineris has large volcanoes near it. all of the above

Distance that the transcontinental railroad covered from omaha to san francisco.

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine