The group in an experiment that all the conditions stay the same is the control group.
Answer and Explanation:
When metals lose electrons through oxidation, they form positively charged cations.
Li → Li+ + H+
2Ba → Ba2+ + H+
2Cu → Cu2+ + H+
Serrated Knife?? i’m not sure if this is right
Answer:
estrogen and progesterone
Explanation:
both are the major hormones for emotional and physical changes