Hey! i need help for social studies project ! I need to come up with an invention that has never been created that can help out society today? any ideas?​

Let me tell how how much High I'm on Fake weeds

Explanation:

=>What about we invent something Which is faster than light so that we can go far Galaxy for further exploration of this universe

=> What about we find out is Hair living or not because personally I wanna search about it

; My Mom thinks I'm crazy )

=> What about a Device by which students can be digitally detected how well they studied the whole year instead of attempting those exams .

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.