What is associated with: about 90 of the carving on the mountain removing about 450000 tons of granite was done using this?

What is associated with: about 80000 scots still speak the scottish version of this ancient celtic language? Based on the clue 'about 85 of puerto ricans profess this faith most ...', what is the answer? What is associated with: about 9 of the individual returns for 2000 checked the box to donate this much to the presiden… Based on the clue 'about 90 of all glass is made from this material', what is the answer? Based on the clue 'about 90 of the people of this country which borde...', what is the answer? Based on the clue 'about 94 of this countrys population belongs to th...', what is the answer? Based on the clue 'about 95 of thais practice the theravada form of t...', what is the answer? Based on the clue 'about 96 percent of mongols are of this religion', what is the answer?