Geologists can often match up rock layers over distances.
When heat is added to a substance, the particles move faster. W
The answer would be:
C. Transcription
Here's a little more about gene regulation:
Gene regulation as mentioned already, is the process of turning genes on and off. In multicellular organisms, the different cells have the same DNA in them but through gene regulation, different sets of genes are expressed. The genes that are expressed determine the function and appearance of the cell.
Fastest are P waves because they are first and slowest are L waves because they are the last and are the surface waves so L is in the middle
The answer is : Limestone
