How are noncommunicable diseases different from communicable diseases?
O
A. Noncommunicable diseases are caused by pathogens,
O
B. Noncommunicable diseases are caused by lifestyle decisions,
O
C. Noncommunicable diseases are spread through person-to-person
contact.
O
D. Noncommunicable diseases are spread through contact with
animals.

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.