It is used to determine the age of an ancient object. The process is called radiocarbon dating. Carbon-14 is a naturally present isotope that is produced when cosmic rays collide with nitrogen and as a result it is oxidized to be become CO2.
Im guessing the answer would be comets because they contain ice.
It ushered in a new generation of policies like the USA Patriot Act, prioritizing national security and defense, often at the expense of civil liberties.
The constitutional principle prohibits an individual state from declaring war is called federalism. The only person who can declare war is the person in charge of the government, which is the President of the United States. The correct answer is B.
