Answer:
For about 200 million years the Pacific Northwest region has been at an active plate boundary, specifically an ocean-continent convergent plate boundary with a subduction zone. Subduction has created most of the volcanoes and mountain ranges of the Northwest.Jul 16, 2013
Explanation:
The base is an 8 by 8 cubic inch square. 409.6/6.4= 64, and the square of 64 is 8.
In 1912 Alfred Wegener (1880-1930) noticed the same thing and proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution.
When rock from the mantle melts, moves to the surface through the crust, and releases pent-up gases, volcanoes erupt. Extremely high temperature and pressure cause the rock to melt and become liquid rock or magma. When a large body of magma has formed, it rises thorugh the denser rock layers toward Earth's surface
Answer:
(A) I THINK IF I DO NOT GET THIS RIGHT PLS REPOT ME OR COMMET OR DELETE :)
Explanation:
