The Thistle Marble Arch is not a thing. It is in fact the name of a hotel in England, London. Therefore, one would need to stay at the Thistle Marble Arch for a good night's rest.
Which Thistle? Basically you need a bus to the city centre - these are always outside the airport. Get off at the Buchanan bus station, and if it is the Thistle I am thinking of you can easily walk to it.
you would need a small electric motor, a little marble, and a holding box
You need to know the density of the marble.
You need to edit your question to be more specific about what arch and what tunnel.
Mass is measured in kilograms. Weight is measured in newtons. If you are asking which unit to choose to measure then mass of a marble, then you need to use the submultiple of the kilogram, the gram.
All you need to know is the distance the marble travelled and how long it took to travel that distance. For example, if a marble travels 30 cm in 5 seconds then its average velocity would be 30 / 5 cm / sec = 6 cm / sec.
There is a special powder coating that you will need to make the faux marble finish.
No, one does not need to use special cleaning techniques to clean a marble floor. Cleaning a marble floor can be done just like cleaning every other type of floor.
someone awnser this i need it for my project
You need to direct any marbles that don't match to others, to the side of the screen to get them out of the way, and avoid hitting the marble mines. Also don't panic because a marble bomb or steel marble will usually appear just when you need it.
4 If the marbles are all red - 100%. You need to give the number of each different colored marble
Well, I'm sure you mean why are arch doors symbolic and also you would need to be more specific. An arch door in general isn't symbolic while the St.Louis arch is very symbolic. It can be a symbol for strength due to the strength of the design, but it is also smooth and relies on a keystone to hold it together. Well at least in Roman archways.