Question

Jules wanted to know whether the eating behavior of goldfish is affected

by music. He set up a fist tank. Every day, Jules played music for the fish
and measured how much the fish ate. What is Jules missing from the
experiment?
O
A control group
O
A measurable result
O
Different types of fish
O
An outcome variable

Answer 1

A controll group

Step-by-step explanation:

Help this work

Answer 2

i think Jules is missing a control group because it does not say that he fed the fish with no music playing or just with all the genres playing on different days then one day no music at all so i think its a control group.