With the recent technologies and scientific innovations we have now on studying and providing detailed analyses of the polar ice cores, it is roughly estimated that we could profile the ancient climate the Earth had in a time period as early as 800,000 years in order to explain the most recent climate change.
Answer:
a theory or system of social organization that advocates the ownership and control of the means of production and distribution, capital, land, etc., by the community as a whole, usually through a centralized government.
The basic units of length and volume are based in the metric system, good luck!
It is topography that is formed from the dissolution of soluble rocks such as limestone.
