Answer:
A. Compounds contain fixed ratios of different elements.
Explanation:
Water always has this 2:1 ratio of hydrogen to oxygen. Like water, all compounds consist of a fixed ratio of elements. It doesn't matter how much or how little of a compound there is. It always has the same composition.
Electric motors transform electrical energy into mechanical energy so the answer would be B.
Explanation:
The answer is C, gravitational potential to kinetic, but just a side note beware of posting questions that are that kind of evaluation. People can track you down for using any sort of site for help. So just keep in mind just send in the picture but not type in the entire question so that way you don’t get detected or have to retake the entire thing. Good luck btw
Polymerization would be the answer you're looking for.
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