Disc brakes are more powerful, but it's easier to add a parking brake to a drum brake. So the front wheels often gets disc brakes, as they do most of the braking anyway, and the rears get drum brakes.
They might be a little different, as they are on different cars. But they work just the same and have just the same types of parts.
No. Hydraulic brakes can be either drum or disc brakes, and these two brake types are available as air brakes and air-over-hydraulic systems, as well.
Yes. Same product from different manufacturers.
No it all the same. Transmission doe's not matter.
Yes.
If you start out with a solution and you put the same amount of solution in different types of glassware, it will always be the same no matter what.
Different types of soil have different nutrients so no.
You can't. The same serial number can appear on guns from different manufacturers and on different models from the same manufacturer.
They all can shoot different types of the same caliber, but, not different calibers at the same time.
they are both found in many types of cells
Most bikes will only have one type of brake, and will use the same on front and rear. But there's nothing stopping a manufacturer from having different braking system on front and rear. The extreme case is probably the tandem, which can be equipped with 3 different brakes to deal with the heat build-up caused by long descents.
Because they are different types of meat. They are all different animals and if they are the same animal then its a different part of it.