Evidence obtained from observation and experiment is often used to _____ a scientific theory.
举一反三
- Evidence obtained from observation and experiment is often used to ______ a scientific theory. A: confirm B: confine C: conform D: conceive
- Which business cycle theory suggests that an expansionary monetary or fiscal policy should be used to revive an economy from a recession? A: Monetarist theory. B: Keynesian theory. C: New classical theory.
- The scientific theories about the origin of language include the bow-wow theory, the pooh- pooh theory and the "yo-he-ho" theory.（）
- A scientific hypothesis can only be ______ by indisputable facts ,i.e. , by evidence derived from actual observation and experiment. A: claimed B: exposed C: continued D: confirmed
- Suppose you think animals should NOT be used for scientific testing. Which of the following evidence best supports your argument?