A região do Cáucaso se constitui por ser um verdadeiro mosaico étnico e de grande importância geoestratégica. Inúmeras disputas territoriais são travadas naquela região. Anos após a Guerra Fria, as
grandes potências travam uma batalha silenciosa por influência na região.
APRESENTE as razões que tornam a região do Cáucaso de grande importância geoestratégica para as
grandes potências mundiais.

Mexico has a host of environmental problems, including significant chemicalpollution  from factory discharges and waste dumping, but the main threat to itsbiodiversity  probably stems from  deforestation  and other natural habitat losses. forest habitat is lost for a number of reasons

Answer light in color; silica-rich;

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city. 

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