Earth's internal heat comes from which of the following? select all that apply.
a. volcanoes
b. convection cells
c. radioactive elements
d. leftover heat from earth's formation

The large connected urbane area from boston to washington, d. c. is often referred to as

What was one effect of european influence on southeast asia? new roads and railroads were constructed. rulers built palaces in the european architectural style. the vietnamese absorbed much of the european culture. the islamic religion spread throughout the region.

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location