If all wheel drive, yes. If front wheel drive, no. Only the front tires have to be off the ground.
215-65-16
Unless it is a stationary vehicle where you can stick a spike into the ground, you can't ground earth a car. Aside of a chassis ground, the closest you can get to an earth ground is through the vehicle's tires, which ground you in the event of a lightning strike to the vehicle.
215 70 r15 are standard
Yes. when you look at the tires of a vehicle (we call "ground viewing") you can tell the speed and if the vehicle is moving toward you.
If it is a Automatic, then the drive wheels should not touch the ground. Severe transmission damage can occur if towed in that manner. If it is a manual, then it can be towed with all wheels rotating.
Put wings on the vehicle so it will fly. (Seriously). Seriously, a car that is touching ground is basically grounded. However, the tires insulate it from direct ground contact.
If the vehicle is a rear-wheel drive, the tires should be able to rotate when not in contact with the ground - unless the brake is set to stop the rotation. If it is a front-wheel drive, the tires should not rotate unless the vehicle is in neutral - likewise if 4-wheel drive is engaged.
There is no ground wire in automobiles, they have tires that insulate the vehicle from the ground. There are only positive and negative wires.
Dry rot happens when the vehicle sits too much. If possible drive the vehicle even for shot distances, to rotate the tires. If the vehicle is being stored long term, then lifting the tires off of the ground will help slow the dry rot process.
To prevent tires from kicking up mud, rocks, and other things on the ground as the vehicle moves.
No
There are many places where new tires can be purchased for a Chrysler Sebring Convertible. Sears, Pepboys, Goodyear and Firestone companies all sell Chrysler Sebring Convertible tires.