Electric motors transform electrical energy into mechanical energy so the answer would be B.
Explanation:
I think it is C because i got this same exact question in my class
Answer:
The characteristics of a good/safe experiment are:
- Equipment is used according to its purpose
- Workers are wearing protective clothing and goggles
- All directions are followed for a successful experiment
- There is proper ventilation
- Toxins are used responsibly
- Sharp tools and fires are handled or supervised by an adult
- All information from the experiment is recorded
- Photographs are taken if necessary
- Experiment is repeated for valid results
- Different people try the experiment to compare results
Hope this helps ya :D
The answer is written on the pic I sent you with this