Substitution
.......................
:)
So much heat is released like atleast OVER 9000
Answer:
Caffeine
Explanation:
In every study, there must be an independent variable and a dependent variable. The independent variable is being manipulated and its effect on the dependent variable is evaluated.
In this study, the independent variable is the administration of caffeine. Its effect on a rat's ability to learn the maze (dependent variable) is evaluated in the study.
<span>No. Salt, like all matter is composed of atoms.</span>