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PLEASE HELP WITH EASY 8TH GRADE MATHH!!!!!!!
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.

Respuesta :

JaniceneshiaSmith15
The answer is going to be C) because 
A)If u add something then the whole project will be messed up
B)If you don't control the variable then you will keep messing up
d)When you know the measurements for the experiment you should make sure you have them correct when measured 
Hopes This Helps:)
TattyspurSol

Answer:

c)

Explanation:

i literally just did the quiz i came here to see what the answer was after i got wrong please mark brainlyest hope it helped :)