The unconscious id, according to Sigmund Freud, was the part of the mind composed of biological drives and the source of psychic energy.
Atom molecule electrons carbon is the only element that can form so many different compounds because each carbon can form four chemical bonds to other atoms is just the right size small size to fit in comfortably as parts of very large molecules
Answer:Flower
Explanation:flower experiment
Answer:
2. temperature
Explanation:
The independent variable is the variable that you change. Since you are changing the temperature to find bacteria growth, bacteria growth is the dependent variable and ph level is the control variable.