Aluminum is more reactive than carbon. Use this fact to explain why tin has been used by humans for longer than pure aluminium.

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

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

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma