Wassup im bored like im gonna die of boredom bruhh

In a mercantilist system a country tries to increase its blank and decrease its blank

Surplus discretionary travel direct money is what's available after paying for the necessities of life

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