Cultural environment, hope this helps ;)
Answer:
radiometric dating methods
Explanation:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
<h3>Answer:</h3>
A. Oils the road has absorbed begin to float.
<h3>Explanation:</h3>
Oil tends to float on water, so any oil on the surface of the roadway will tend to float on the film of water that forms when rain starts. After it has been raining for a while, the runoff will have removed much of the oil.