Which of the following is not an example of an energy transformation? 1.Heating up dinner in a microwave 2.Solar panels at work 3.Formation of static electricity 4.None of the above

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

what is the statement?