Hope this helps. Answer is in photo below.
It made it easier to transport materials to all of the cities
The answer is u should gave the dog the treat after u conditioned him
They became a global economic power.
The choices are:
A. ) standardization.
B) predictive validity.
C) reliability.
<span>D) content validity.
The answer is A. standardization. He was comparing his score to other average test-takers. From there he could reflect if the test is a standard exam for Math. He most probably would see average test takers get approximately at least his score. </span>