Most historians believe that the Sumerian civilization declined due to A. the drying up of the Tigris and Euphrates rivers B. constant rebellion within the empire and invasion from outside C. extensive drought and the lack of rainfall over many years D. a devastating plague that killed thousands of Sumer's citizens?

I am 100 percent is it is B.

Explanation:

good day! <3

competition i thin

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.