Why edible oils shows rancidity when stored for a long time

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

How much energy is made when a pice of wood burns. how do you know