Which of the following statements is true about peking man the earliest known inhabitants of china
a. peking man had already developed control of fire
b. peking man was a hunter gatherer
c. peking man dates back to 690,000 years ago
d. all of the above

Why was carnegie steel able to offer its product at a lower price than its competitors? a.carnegie cut corners in his production, lowering his costs. b.carnegie made a weak product, which was less expensive. c.carnegie owned the raw materials, factories, and distribution. d.carnegie created the bessemer process, which lowered costs.