Answer:
Essentials. A battery is a device that stores chemical energy and converts it to electrical energy. The chemical reactions in a battery involve the flow of electrons from one material (electrode) to another, through an external circuit. The flow of electrons provides an electric current that can be used to do work.
Answer:
people grow by the year sometimes it even by months
It confirmed medeleeve's hypothesis (prediction) and showed the use of his table
That's false. Displacement would be (r2 - r1) .
If it's Kepler's law of equal areas you're talking about,
then the first of the four statements is true.
