How many terms are there in the expression 1.2ab _ 2.4b + 3.6a​

Answer (d) may increase or decrease porosity through dissolution or deposition;

Answer were lower;

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