When many layers of thin, runny lava build up a high, level area, the result is a a. lava plateau. b. shield volcano. c. cinder cone volcano. d. composite volcano.

It is a. Lava plateau

The correct answer is a. lava plateau.

Note that the lava plateau will stand out as it's own relief form after the surrounding rocks (sedimentary and metamorphic) start to break down and erode in time, thus leaving the much more resistant igneous rock structure stand out in the surrounding area. 

Its led to migrationits led to death 

Answer. scale;