Why is humanity so dang stupid?

answer:

Well if you go down I’ll tell you because I’m not trying to get reported you know \/

Explanation:

I’ll look into it do some research and I’ll tell you what I come up with ok :) give me 1 h

If you looked down and saw this picture your pretty dumb :) I’m kidding bro but I’m not sure

Cuz bruh how else will we fight of the zombie apocolypse without selfiesticks

answer; ///the (iroquois) cultures was made up of several groups, who spoke a common language

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.