Salary. The BLS puts the national estimate for billing clerks at a mean hourly wage of $16.31, or $33,920 annually, as of May 2011. The amount billing clerks earn also varies by industry, state and metropolitan area.nvoicing is done through the company's accounts receivables system. Until the bill is paid, it remains as a debit on the customerâs account. Once paid, the customerâs account is credited. If customers fail to pay their invoice, the billing clerk sends them reminders, and, in some cases, attempts to collect the debts.
There are thousands of different types of flatworms, most are not dangerous to humans. Flatworms belong to one of four subsidiary groups. Those found in streams, ponds, moist soils, and the sea are the turbellarians.They are free-living, that is they move about looking for food. The other three groups â the Tremotada (flukes), Cestoda (tapeworms), and Monogenea â are all parasitic.here are thousands of different types of flatworms, most are not dangerous to humans. Flatworms belong to one of four subsidiary groups. Those found in streams, ponds, moist soils, and the sea are the turbellarians.
Introduction. Roundworms, or nematodes, are parasites that can infect people. They usually live in the intestines. There are different kinds of worms that can cause infection, and they can range in length from 1 millimeter to 1 meter.Most often, eggs, or larvae, live in the soil and get into the body when you get them on your hands and then touch your mouth. Some can also get into the body through the skin.hey usually live in the intestines. There are different kinds of worms that can cause infection, and they can range in length from 1 millimeter to 1 meter. Most often, eggs, or larvae, live in the soil and get into the body when you get them on your hands and then touch your mouth.