What natural resource in the states of West Virginia, Ohio, and
Pennsylvania attracted high
demand?

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution

Other in the u.s. supreme court, all federal courts were established bya. the constitutionb. congressc. presidential executive orderd. the states