Whales are found in both the pacific ocean and the atlantic ocean how does this provide evidence for the movement of tectonic plates

This does not  provide evidence for tectonic movement, because the two oceans are connected. 

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

Ithink that the missing word is mixed