Mountain chains and river systems generally run North-South throughout the continent thus making for formidable barriers to East-West expansion.
Answer:
Qatar terminated its membership on 1 January 2019. This means that, currently, the Organization has a total of 13 Member Countries. The OPEC Statute distinguishes between the Founder Members and Full Members - those countries whose applications for membership have been accepted by the Conference.
Explanation:
Pollution and it being near the equator also some of it is
located in the tropic of cancer making some parts of china have a tropical climate
hope that answers your question :)