Minor bubbling is normal when battery is charging.
Excessive may be due to the battery being overcharged--perhaps a bad voltage regulator.
Charging or over-charging
No, a car battery does not have mercury in it. It would be very dangerous to have mercury in a car battery.
If it is bubbling excessivly accross all cells then the alternator could be overcharging. if it is odd cells bubbling then the battery may be faulty
Without a battery to work an automobile then the car would not get anywhere. The battery helps to run the car with moving all the parts that would be required to drive.
It would vary from car to car.
You would make a car battery comparison by comparing which car battery seems better. You shouldn't keep the old car battery near because you can get it mixed up with the newer ones.
If your car has a battery and it's dead, you can call a friend who has some jumper cables. You can hook the jumper cables up to his battery and your car's battery. It should create electricity that will renew your battery. If your car does not have a battery, you would have to push it or get it towed.
If you are using it to turn on the car a good battery would help.
would a cracked blocked cause a car to bubble antifreeze inside the reservoir of a 97 ford taurus ?
A car battery in any car would drain due to a short in the electrical system.
The price you will pay for a car battery, will depend on what type of battery you want. you can buy a no name battery, or you can go with a brand name battery. Which would cost you more
9 or so would give you the correct voltage but they would not give you the amperage that a car battery would give you and that you would need to start the car.