How do you locate a position using latitude and longitude?

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.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

d. cellulose and starch