Using the theory of continental drift scientists have proposed that about 200 million years ago the continents were once joined together in a supercontinent called?
a. pangaea
b. panthalassa
c. laurasia
d. gondwanaland
will mark !

Dentify one advancement from the industrial revolution that had a significant impact on agriculture, and discuss the benefits this advancement had on the industry.

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.

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called