What architectural element in gothic cathedrals functioned to transfer the outward thrust of the nave vaults to massive, free-standing, upright buttresses on the exterior?

Which of the following describes the multimedia era? a. an era in which artists created works using paint software such as photoshop, without actually programmingb. an era of interactive technology where 3-d computer graphics were used to create a virtual environmentc. an era in which most of the computer art work centered around computer programming