Which river system the world’s earliest known civilization develop?
a: indus
b: nile
c: tigris-euphrates
d: yellow

Will give brainliest veterans return to civilian life after serving in combat zones. they may have physical issues, including lost limbs or brain damage, or suffer from developmental delays post-traumatic stress disorder selective mutism

47. a student is frightened by a loud noise, which results in a hormone being released into the blood. the hormone causes the student's heart to beat rapidly. the two systems that work together to cause this reaction are the endo- crine system that secretes the hormone and the (1) nervous system (3) excretory system (2) reproductive system (4) digestive system

4. even after capitalist practices are in place, people may have trouble adjusting to new , such as taking , interpreting , making their own , and fending for themselves in the marketplace.