1.A prediction or statement that can be tested is a?
a.conclusion
b.observation
c.control
d.hypothesis
2.A factor in an expirement that can change is a(n)?
a.observation
b.variable
c.control
d.hypothesis
a.conclusion
b.observation
c.control
d.hypothesis
2.A factor in an expirement that can change is a(n)?
a.observation
b.variable
c.control
d.hypothesis
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1. d
2. b
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