Saturated volcanic debris that rapidly moves down steep volcanic slopes as a mudflow is a(n) .

It is the second answer

Sequoia national park  /  inyo national forest, california, u.s. mount whitney is the tallest mountain in california, as well as the highest summit in the contiguous united states and thesierra nevada—with an elevation of 14,505 feet (4,421 m).

Answerequatorial guinea,gabon, and western sahara;

Answer sinking and cooled;