cultural push factors for bolivia? And pull factors also environmental pull factors and Economic pull factors?

El nino is a weather phenomenon caused when warm water from the western pacific ocean flows eastward. part1baan average of 7.7 hurricanes and 3.6 major hurricanes compares to 5 hurricanes and 1.5 major hurricanes from 1995-2005

Answertrue;

Why you put last one a? i think is b.

According to new research, more than 5..5 million deaths are associated with polluted air. hope this : ).