Water? That’s my guess I mean it kinda makes sense Imao
The cause of the client’s pain must be because of atrophy of
bulbouretheral glands. The bulbourethral glands are the one responsible for
secreting a substance which we call alakaline, in order to be able to provide
neutralization in the acidic environment in a person’s urethra. The
bulbourethral glands are also responsible in having to provide lubrication to a
person when having to do a sexual intercourse. If it gradually declines in its
effectiveness, during sexual intercourse, it would likely cause the person to have
pain and have difficulty in having to do an intimacy with the person’s partner
as atrophy may be present in the person’s bulbourethral gland.
Designing efficacious norovirus vaccines remains a major challenge due to several factors:
(1) the extreme genetic variability within the norovirus family and within genogroups
(2) the rapid evolution of antigenically dissimilar pandemic GII.4 norovirus strains
(3) the lack of lasting immunity upon natural exposure to noroviruses in at least a proportion of the population.
Answer:
Natural selection
Explanation:
Natural selection is a process that causes heritable/favorable traits that are helpful for survival and reproduction to become more common as time goes on, and it gets passed from generation to generation.