For example, zeolite is used primarily because it adsorbs ammonia, while activated carbon is used primarily because it adsorbs {HEAD ~ organic molecules} and inorganic molecules responsible for causing {TAIL ~ odors} and undesirable colors 
responsible for causing
For example , zeolite is used primarily because it adsorbs ammonia , while activated carbon is used primarily because it adsorbs { HEAD ~ organic molecules } and inorganic molecules responsible for causing { TAIL ~ odors } and undesirable colors
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH