to serve legally, the server must toss the ball with an open what?\neye\nmouth\npalm

to serve legally, the server must toss the ball with an open what?\neye\nmouth\npalm
Answer
Brief Explanations:
In many sports like tennis, when serving legally, the server must toss the ball with an open palm. This is a standard rule to ensure fairness and consistency in the serve - the open palm allows for a more neutral and non - manipulative toss.
Answer:
C. palm