Which scientific investigation does not include dependent and independent variables?
A.

studying the effect of temperature on bacterial reproduction rates

B.

observing and counting bird populations

C.

investigating the effect of mass on the speed at which an object falls

D.

testing a model car’s air flow resistance at different wind speeds in a wind tunnel

Question

Which scientific investigation does not include dependent and independent variables?
 A.	
 
studying the effect of temperature on bacterial reproduction rates
 
 B.	
 
observing and counting bird populations
 
 C.	
 
investigating the effect of mass on the speed at which an object falls
 
 D.	
 
testing a model car’s air flow resistance at different wind speeds in a wind tunnel

abhisar · Answer

Hmm..what miranda thinks should be the answer ?

anonymous · Answer

B

abhisar · Answer

$\scr Miranda~is~correct$

anonymous · Answer

lol

anonymous · Answer

thx for themedal althou I didn't neeed it lol

abhisar · Answer

but u deserved it $\huge\ddot\smile$