Imagine you are reading a journal written by a woman during the time of the american civil war. if you were to use this as historical evidence, why would it be important to know which side the writer supported in the conflict? a) to understand why she would keep a journal. b) to understand if the source is primary or secondary. c) to understand the authenticity of the source. d) to uderstand the write's potential bias.

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.