South africa has an emerging market economy. this means that its economy is
a.
growing quickly and becoming more advanced
b.
growing too slowly
c.
based on agriculture
d.
based on mining

Southeast asia relies on its many because of the volcanic, mountainous terrain. a. highways c. rivers b. airports d. lakes

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition c. conduction. d. density.

What is the thickest layer of earth called?