Consider that student had had a strep throat two years ago, why would she develop it again?

Yes,a strep throat can reoccur in that student because of the factors like -

Explanation:- Strep throat is the situation of the throat when it feels pains and inflammated. There are chances of the relapse of strep throat because of the weak immune system and does not complete course of antibiotics or has resistance towards it .The student can also catch the infection again and can still have presence of the bacteria of strep throat .

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

carbon atoms, hydrogen, oxygen, and nitrogen.