Answer:
Well let's take Sedimentary rock for example, The Law of Superposition which measures the average age of Sedimentary rocks using rocks around it. So you would use that rocks below it are older and that Extrusions and Intrusions are younger than the rocks which are stable.
Explanation: Hope it Helps With Your Work!
B.
When fossil fuels are burned carbon dioxide is released in to the atmosphere
hope this helps
Airborne is the most common.
It’s actually bacterial DNA
The answer to #2 Is a..biota is the life of "a" plant, or animal (etc.) of the particular region/habitat, etc.
