What is sectionalism? *please put short sentence*

The federal child abuse prevention and treatment act (capta; 42 u.s.c.a. § 5106g) makes it mandatory for parents, guardians, and professionals dealing with children to all acts of child abuse they encounter.

Which is the lipid molecule that controls what types of molecules can pass though?

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein.b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid.c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane.d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.