1 Senior secondary school students carried out research on overcrowding in their local area. (a) (1) Formulate a research topic on overcrowding. The Caude s ove couting [1] 12​

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

Ibelieve the answer is c. map projections.hope my answer has you : )

Its led to migrationits led to death 

Ithink the best answer is d increased stability of all other biomes