At a family reunion, you tell a distantly related cousin that you are studying evolution this semester. your cousin responds by saying "well, that's all ‘just a theory.'" how do you respond? is your cousin using the concept of "theory" correctly? what do scientists actually mean when they refer to or formulate a "theory"?

A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

i am 99% sure that the increase of goods was because of nafta nafta stands for the north american free trade agreement to lift tariffs