Which of the following is not a function of the skeleton? 1. Storage of calcium and phosphate ions
2. Storage of red blood cells
3. Providing support for most muscles
4. Protecting the brain
5. Protecting the spinal cord

The heat energy transferred in water is by vibration and motion of water molecules, when water is heated, the external vibration is opposed by the static state of water molecules, this time delay to set up the molecules in water layer by layer, is what creates a time lag , thus resulting in slow hearing of water, and vice-versa