The production of ethanol from sugarcane yields a lot more energy than is required to produce it compared with the production/yield ratio of ethanol from corn
a. True
b. False
Indicate whether the statement is true or false
True
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A difference between a human's and chimp's supralaryngeal airway includes __________
a. a higher larynx b. an elongated palate c. a shortened tongue d. an elongated velum
People in many societies, including the Azande of East Africa, believe in a magical witchcraft substance that is:
a. Controlled by the most powerful people in society. b. Hidden under the central shrine of the community. c. Part of the bodies of those who are witches. d. Available to those who seek with a pure heart. e. Can never be found by those who actively seek it.
With its population of 2.9 million and its vast territory, __________ is the most sparsely populated country of the world
A) Russia B) Mongolia C) Brazil D) China
One of the most important Mayan centers, with over 300 large ceremonial and civic buildings, is called __________
A. Warka B. Tikal C. Giza D. Sacsahuaman