Chemistry, 13.10.2019 22:00, fahad7007

With easy 8th grade !
all of the following are possible sources of error in a scientific investigation except for

a)adding research resources during an investigation.

b)not controlling all the variables in an experiment.

c)discovering new variables as the experiment proceeds.

d)measuring the materials of an experiment incorrectly.

Answers: 2

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With easy 8th grade !
all of the following are possible sources of error in a scientific inve...