5. Which country features the Tigris and Euphrates rivers? (1 point) OEgypt
China
Iraq
Israel

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

Migrant workers who fill employment needs in their host country often send remittances to their home countries

What is the thickest layer of earth called?