Answer:
The Association of American Railroads (AAR) does not use provisions to protect commodities.
Explanation:
The AAR loading rules that regulate the cargo on open top cars are intended to ensure the safe movement of the car and the load from the origin to final destination. There is no consideration to protect comodities from other forms of danger.
Answer:
Bloomers improved more on an IQ test than did non-bloomers
Explanation:
This result was probably not expected, however; it occurred this way given the fact that "bloomers" were challenged in a higher way by teachers. Besides teachers also gave a better quality of feedback and more personal attention was shown to these students.