B. sorting? because sorting is grouping
Chairs came into existence in various forms with addition to back support, sacral support and footstool to a normal stool.
<u>Explanation:</u>
The chairs which we use today to sit on and be comfortable were not the types how they emerged. The emergence of the chairs were in the form of stools in the first form. But then chair of different forms and sorts came into existence to increase the comfort of the human beings.
To the stools, the addition of back was done, then the sacral support was done to the chair. After some time the foot stool was also added to the chair to increase the support.
Sculpture that represents Renaissance's rebirth of Greek concepts and stylistic elements is David by Michelangelo. Stylistic elements that represent Classical influence are 1) theme of naked male hero and 2) contraposto pose (figure's hips and shoulders to rest at opposing angles and head is turned of to the left). The scultpure is also very detailed (including visible blood vessels). Focusing on men's naked body is a proof of Renaissance's interests in Classical philosophies and cultural heritage.
Answer: D, all of the above.
Explanation: In history, drawing was the only recognized form of art, based on definition, drawings even now help language barriers, and before photography and film, people drew many things, like maps and hieroglyphs.