Why is it important that both the House of Representatives and Senate ogree to a bill before it is sent to the President?

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

What were the advantages and dis- advantages of how britain and france ruled in africa?