Mountain chains and river systems generally run North-South throughout the continent thus making for formidable barriers to East-West expansion.
Answer:
50%
Explanation:
One in five species on Earth now faces extinction, and that will rise to 50% by the end of the century unless urgent action is taken.
Tiny solid and liquid particles suspended in the atmosphere are collectively called aerosols
Answer:
has absolute power and control overall aspect of the people live
