What effect did the invention of tools have on early humans? a. they required humans to stand close to animals when hunting. b. they increased chances for survival. c. they decreased chances for survival. d. they allowed more animals to graze the fields.

How did the people of latin america come to speak the language of spanish

What is generally true of the lower house in a state legislative branch ?

Agraduate student wants to examine the effect of print media versus televised media on individuals’ position on several social issues. the superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to her quickly accrue subjects. the student’s irb should: approve this project since the risk appears to be no > minimal. not approve this project because the prisoners are merely a population of convenience for the student. approve this project since the superintendent is the ultimate authority on what happens in his facility. approve this project but submit it for federal review.