Concrete was an important material in the architecture of a) egypt b) mesopotamia c) rome d) greece

the answer of "what has three legs but never walks" is a yard stick. this answer can be found at

i think cheerleading is definitely a form of art. or at least it should be! not everyone has what is takes/and or the determination to become a cheerleader. it takes practice and hard work, along with being able to master a move correctly, like dancing. dancing is a form of art, and i think cheerleading is too. not everyone can dance, just like not everyone can be a cheerleader.