What is Life Expectancy?
How does it relate to birth rate?

Here is a picture  of the net. its 4 squares in a row diagonal and on the third draw one square aove and under

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