The answer should be 12 :) Hope that helps:)
China was the leading trade partner
Answer:
the sun provide energy to move back into atmosphere by evaporation
Explanation:
Answer:
Sediments are used to provide the proxies to understand the environmental changes as, the sediments are formed by the activity of the weathering from the wind, glacier and the water. The different weathering agent and other transportation agent are different types of the mark over the sediments that help in the study of the past environment.
Mountain chains and river systems generally run North-South throughout the continent thus making for formidable barriers to East-West expansion.
