I guess its DNA. DNA is the information code of the cell
Lava that hardens on the surface is called an extrusion. The rock layers below an extrusion are always older than the extrusion. ... There, the magma cools and hardens into a mass of igneous rock called an intrusion. An intrusion is always younger than the rock layers around and beneath it.
Answer: Singing , as whistleing does not even involve your larynx
Explanation: