What is a hernia?
a) a congenital abnormality
b) cold sores
c) an inflammation
d) a protrusion

(this is anatomy and physiology i didnt know what subject to put so i just put biology)

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Nucleic acids offer variability because they contain alternate forms of genes called .