To form an overall three-dimensional shape, or structure, interactions between pull together segments of protein in sequence.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully