Which of the following describes the electrical charge of electrons?
A. negative charge
B. either positive or negative charge
C. no charge
D. positive charge
Answer: A
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Two measurements that are necessary for calculating average speed are
A. distance and acceleration. B. acceleration and time. C. velocity and time. D. distance and time.
Franglais is
A) the lingua franca of France. B) a dialect of French. C) the standard language of French. D) the use of English in the French language. E) a language used by French colonial administrations.
Which of the following is not a system?
A) the Pacific Ocean and the west coast of North America B) the study of minerals C) soil, plants, rock, soil organisms, and animals D) the biosphere
According to the theory of organic evolution, all living organisms are related and they descended, with some modifications, from organisms that lived in the past.
a. true b. false