Ask your Sociology teacher.....
anemia
double concave lens
double concave lens
I can tell you that i think that the causes of cholera epidemic, is all from things that come into our country and many other countrys that may (or may not) be contaminated with this rechad desieas.
Yes, this is a concave lens. It is also called a diverging lens because it causes light rays to spread out.
causes of optimum population
They are both made of a transparent medium with a refractive index > 1.Both have one or two sides possessing a curvature which, combined with their refractive properties, causes light rays to be deflected(convex ()> ) or (concave )(< )
THE PEOPLE IS NOT AWARE OF OUR POPULATION
hey
Reproduction
Increase.
Gene mutation causes the phenotype frequency in a population to change after each generation.