skateboarding.....obviously not they both take skill i think there kind of even because in tennis you need to know how to serve return the ball and all this kinds of stuff, in skate boarding its the same thing you have to learn little by little. You cant say that this sport its easier than this other one they both take practice and skill.
You can hit an underhand serve in tennis; however, the overhand serve is more effective because it is more powerful. That is why you don't see the underhand serve used much.
a serve
Badly.
A tennis ball!
4.5 can mean the manufacturer's skill level according to its own skill level system if it is written on the side of a tennis racquet.
It is called a serve receive.
It depends on how hard you want to hit the ball
a tennis ball
Let
Yes
A tennis ball.