True seems like the best answer. Players have trouble with the reverse swinging motion. The grip change of the racquet is more than likely the reason. There is more than one kind of backhand stroke.
Well there’s a lot of positive things but the main one would be how we are able to combat more and more viruses/ diseases and also we are learning more about how to improve our overall health.
The answer should be
B) physical activity
The 1961 Convention exercises control over more than 116 narcotic drugs. They include mainly plant-based products such as opium and its derivatives morphine, codeine and heroin, but also synthetic narcotics such as methadone and pethidine, as well as cannabis, coca and cocaine.
