The main task of a battery in automobiles is to

supply electricity to the alternator

act as a reservoir or stabilizer of electricity

supply electricity to the vehicle's electrical system at all times while the engine is running.

supply a large amount of power to turn the starter motor when the engine is being started.

2

4

6

8

hydrochloric acid

hydrofluoric acid

nitric acid

sulphuric acid

hydrometer

hygrometer

anemometer

multimeter

smaller than the positive terminal post

larger than the positive terminal post

of the same size as the positive terminal post

none of these