Where do long chains of volcanoes tend to be located?

a: near the equator
b: near the inner core
c: near plate boundaries
d: near the northern hemisphere

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

343^x = 49^4-xx = 4-xx+x=42x = 4x = 4/2x = 2therefore x = 2

He got it right defiantly right