Answer:
The answer to this question is A and C
Explanation:
After the age eligibility rule was instituted by the Women's Tennis Association, career lengths increased significantly. Before the rule was established, there were concerns that athletes who engage in professional sports at a very young age experience shortened careers and in most cases leave prematurely before even getting to their peak. However, the rule has helped in reducing premature retirement immensely.
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Long before concrete made its appearance on the building scene in Rome, the Romans utilized a volcanic stone native to Italy called tufa to construct their buildings. Although tufa never went out of use, travertine began to be utilized in the late 2nd century B.C.E. because it was more durable.
