The statement “all giraffes have long necks” is scientific because it could be proved false by a single observation to the contrary, according to Karl Popper. Popper’s theory __________ that scientific hypotheses must be refutable, termed the criterion of falsifiability, rejects the confirmationist position that uses verifiability as the standard for scientific hypotheses.
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Verbal·Standard English Conventions·Form, Structure, and Sense
hardWhich choice completes the text so that it conforms to the conventions of Standard English?
A
was dictating
B
dictating
C
dictated
D
dictates