Answer:
Simple awnser Do it yourself I really would help but I have no clue! Sorry
Explanation:
Answer: energy
Explanation: So the input and output of the power grid system is energy.
Electromagnets can be turned off, this makes it easier to release things from the magnetic field.
Hope this helps :)
Answer:
Specific gravity can be used to determine if an object will sink or float on water. ... If an object or liquid has a specific gravity greater than one, it will sink. If the specific gravity of an object or a liquid is less than one, it will float.
hope this helps, have a great day/night, and stay safe!