In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
Pacer for sure you just got to trust me on this one
Answer: Pretty sure oxygen i think not exactly sure but i think it is
Explanation:
Glucose transporter protein 1, or GLUT1 and SGLT1, present in all human tissues, but especially in RBCs. It is also anchored in the protective sheet of flat cells that line up the blood vessels of the brain.
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