Today humans suffer more from orthodontic issues compared to ancient humans because of the change of food from hard foods to soft foods. This resulted to smaller faces and smaller jaws together with rounder and shorter cranial vault. This made the bones supporting the teeth reduce in size faster than the teeth resulting to crowding and malocclusions.
<h2><em>In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research</em></h2>
Answer:
Messenger RNA (mRNA), molecule in cells that carries codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm (the ribosomes).