Answer:
47%
Explanation:
Among all respondents who developed alcoholism at some point, almost half (47 percent) met the diagnostic criteria for alcohol dependence (alcoholism) by age 21.
In this case, it will all came to the material of the target. The easiest one should be the one that is made by nylon target.
The hardest one to knock over would be made by materials such as silicone, which will basically provide strong deflection for the ball
hope this helps
The two upper parts of the heart are the atriums and the bottom are the ventricles.
