Evidence obtained from observation and experiment is often used to ________ a scientific theory.

A．confirm? B．claim

C．conclude? D．calculate

Evidence obtained from observation and experiment is often used to________a scientific theory.

A．confirm 　　　 B．claim　　　　　　　 C．conclude 　　　 D．calculate

Evidence obtained from observation and experiment is often used to________a scientific theory.

A．confirm B．claim　　 C．conclude D．calculate

Evidence obtained from observation and experiment is often used to           a scientific theory.

       A．confirm             B．conclude        C．consult        D．confuse

Evidence obtained from observation and experiment is often used to ________ a scientific theory．

1. A.
   confirm
2. B.
   claim
3. C.
   satisfy
4. D.
   convince