MATCHING Matching.Match the Following Letters to the Number with Which They

MATCHING
Matching.Match the following letters to the number with which they best correspond.
a.Observation
b.Question
c.Hypothesis
d.Prediction
e.Observational experiment
f.Laboratory experiment
g.Assessment
h.Report
-Establish identical groups of laboratory rats.Expose one group (the model system) to cigarette smoke and compare the incidence of new cancers (if any) with the incidence in the control group.