Which of the following is not an example of a molecule? nci3,o3,f, h2o2

i won't lie i don't know so go online and ask google thats what i do

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.