Which stable element is used to determine the age of volcanic rock?

argon
carbon-14
potassium
carbon-12

12 there are four phases of self-regulation: forethought, performance, self-reflection, and punishment. select the best answer from the choices provided ot of

Take a moment to consider other countries and their form of government. select a country that does not utilize the same form of democracy that the united states uses, identify the country you chose and compare their form of government to the u.s. how are the different types of government the same? how do they differ? which type of government do you think is more beneficial to it's citizen's?

attempts to categorize types of grandparents have not been very successful because