The answer is four hope this helps
Answer:
C: Hormones
Explanation:
hormones do not "signal" other cells. I hope this helps :)
Human Immunodeficiency Virus causes HIV
Varicella Zoster Virus causes chicken pox
A zone stays the same length, I zone and h zone get shorter
A lit candle needs to draw oxygen from the air in order to continue burning. If you limit the amount of air available, the candle's flame eventually goes out once it uses up all the oxygen. Lit candles in smaller jar stop burning first because the oxygen trapped in the jar are fewer than the ones in bigger jars.
