An activist who fights for people's right to have a job that pays a living wage would most likely be identified as standing for rights

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

What term is given to the border between the central alps and the southern limestone alps?

Nwhat way does renewable energy differ from nonrenewable energy?