Over time, the canyons of the Colorado Plateau will . A.
become much colder
B.
lose all their moisture
C.
form tall mountains
D.
fill in with eroded material

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

The correct answer is:   [b]:   "distortion" .