Which of the following is an endothermic process? A. an iron lock rusting B. combustion of coal C. the corrosion layer that formed on the statue of liberty D. isolation of elemental iron from iron ore

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.