Answer:
Core samples and Tree rings
Explanation:
Very early societies did not have a written language or ways to efficienly preserve information over time
A megalopolis is A. a large city surrounded by many smaller suburbs.
An example of a megalopolis could be New York - it is a huge urban area which is surrounded by a lot of smaller areas which together make what New York is today.
Xenoliths are fragments of country rock that are distinct from the body of igneous rocks in which they are enclosed. Hope I helped!
The answer is the second
one.
Deforestation of rain and forests and other parts of the world volcanic eruptions and widespread forest fires.
This activity has contributed greatest amount of carbon dioxide into the atmosphere over the past 100 years.
