<span>The correct answer is B. Periods or styles are merely categories serving as a basis for us to study the vast world of art with a clearer order than it would be without such categories. A. and C are wrong, for each artwork has a value of its own, and critics themselves still argue over which pieces should be added in textbooks or not; these categories weren't created to denigrate any artwork.</span>
Answer:
trace your hand or look up an easy pic and copy or trace it
Explanation:
Pendentive. A curving, triangular section that serves as a transition between a dome and the four walls of a rectangular building.
