At the end of which geologic era did a large mass extinction take place that wiped out more than 90% of all marine life?

Which political, economic, and social systems best related to the ideals of American society during the late 1800s and early 1900s? A) Marxism/socialism B) capitalism/Marxism C) democracy/capitalism D) utopianism/socialism

How deos the air on a hot day compare with the air on a cold day?

Citizens would like a new form of public transportation in their city. Who would they address regarding this request? Local commissioner U. S. Senator The state governor the President

is there a justification for the us to engage in unilateral rather than multilateral military action overseas

The case of fujitsu ltd. v. federal express corp. had to do with whether:

Which Jonathan Edwards sermon was very influential and emphasized fundamental teachings of the Bible and Great Awakening beliefs?

How does the responsibilities of a Rancher change during Winter and Summer?

How did Radical Republicans in Congress try to protect African Americans rights?

How did historians from the 1970s to the 1990s view how FDR handled the great depression in the 1930s?. *This is for plato* A) they believed in his program were.

What did Anti-Federalists fear would happen if the Constitution became law? Congress would have too much power over states. States would have too much freedom to make their own laws. Congress and states would have equal power.