Chimpanzees in the wild have been observed killing:
A. young bushbucks and bushpigs
B. baboons
C. arboreal monkeys
D. all of these
D. all of these
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An increase in the cost of flour will shift the supply curve for bread to the ________ and ________ the equilibrium quantity of bread.
A) right; decrease B) left; increase C) left; decrease D) right; increase
In evolutionary terms, coughing is a __________, or an adaptation designed to expel infectious material from the airways
a. defense b. defect c. pathogen d. pleiotropic gene effect
Whether you see the future of humans as rosy or bleak,
a. the costs of changes outweigh the benefits. b. the costs of benefits outweigh the costs. c. tool using is soon to be replaced by cognitive reasoning. d. hard work, sacrifices and brilliant insights will not be necessary in the future. e. there's no going back.
Languages like Russian use ________to indicate the grammatical relationship between nouns, such as subject and object
Fill in the blank(s) with correct word