Answer:
Stratigraphy is a branch of geology concerned with the study of rock layers (strata) and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks. Stratigraphy has two related subfields: lithostratigraphy (lithologic stratigraphy) and biostratigraphy (biologic stratigraphy).
Explanation:
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Which of the timelines above correctly shows the order of historical events on the African continent?
Answer: Two (0)
Sounds like natural disasters.
Stage four of the Demographic Transition Model (DMT) is accomplished when a country's birth and death rates are both low, thus, stabilizing the growth of the total population. Reaching such stage can be attributed to different factors such as a strong economy, universal healthcare systems, increasing employment opportunities for women and a highly educated population.