What is the focus of Sustainable Development Goal (SDG) 1? Zero Hunger O Quality Education No Poverty O Clean Water and Sanitation Good Health and Well-being If the half-life of a radioactive material, X, is 3 million years, and you find an igneous mineral with 15 times as much of the daughter material, Z, as there is of the parent, X, then the igneous rock is most likely how old? 12 billion years 12 million years O 0.6 million years 3 million years 1.2 million years