Most tectonic plates have both oceanic and continental crust. How is oceanic crust different from continental crust?

A- Oceanic crust is thicker and denser than continental crust.

B- Oceanic crust is thicker and lighter than continental crust.

C- Oceanic crust is thinner and denser than continental crust.

D- Oceanic crust is thinner and lighter than continental crust.

In the 1800s, most european powers followed policies of in which they imposed political and economic control of peoples around the world. a. imperialism b. expansionism c. mercantilism d. isolationism

What was different about warfare in the early 1800s and early 1900s?

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between