Which radioactive isotope would you use to date a 2-million-year-old bed of volcanic ash that contains the footprints of human ancestor 1. Carbon - 14 dating
2. Uranium 238 - lead -206 dating
3. Potassium - argon dating

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6

Which law represents a balanced chemical equation?