Which of the following was not a reason why the tigris and euphrates rivers may have been a flawed location in which to build a civilization?

a. unpredictable flooding

b. lack of geographic protection

c. vulnerability to invaders

d. frequent sandstorms

john locke studied medicine and he laid a lot of groundwork for the enlightenment he also contibutied to the development of liberalism

biological/genetic factors means they were born or predisposed to have something. nothing can really change it, and you can't really do much to "fix" it. it isn't something learned

these are the biological factors:

adrian is relatively tall and he is on the basketball team

(adrian can't ever stop being tall or force himself to be tall. likely one or both of his parents are tall as well and they passed on the tall gene. he probably does basketball because he is tall)

the rest are environmental/cultural factors. these are things that are taught to us. for example, cynthia wasn't born saving pocket money, her family most likely taught her this (environmental factor)

hope this !

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.