[ Vocabulary ]
An organized procedure for testing a hypothesis; typcailly has a control and dependent and independent variables.
A. Unbalanced Forces
B. Control
C. Balanced Forces
D. Experiment
E. Electrons
Select your answer:

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Prepositions › ViewHe waited ___ his friend at the station.
A. on
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Vocabulary › View
Define ‘humdrum’.
A. lazy
B. dull
C. group
D. false
