D. the release of oxytocin during childbirth
We can detect the hardness of water taken from different sources by adding soap to it. If the soap does not form micelle in the water then it will be hard water. In simple language if the soap doesnot disslove in water then it will be soft water.
The answer is B Animal cells do not have a cell wall and the shoe box represents the cell wall. Hope this helped!
Answer:
eukaryotic and prokaryotic cells.
