Answer:
Oceanic crust is created as magma rises to fill the gap between diverging tectonic plates and is consumed in subduction zones. It is geologically young, with a mean age of 60 Ma, and is thin, averaging 6.5 km in thickness. Oceanic crust consists almost exclusively of extrusive basalt and its intrusive equivalents.
71% of earths surface is covered by water
Answer:
By the mid-19th century, industrialization was well-established throughout the western part of Europe and America's northeastern region. By the early 20th century, the U.S. had become the world's leading industrial nation.
Your answer is B Flat maps use longitude and latitude lines to help show how Earth curves.