yes a adult supervision is needed
Maintain constant supervision
I would suggest not, as these require constant supervision and not all 3 year olds are obedient, these "slides" are used in carnivals but are governed by height and weight restrictions
Teenagers are still experiencing growth spurts, which require many calories.
I would recommend FunJet vacations for teenagers as long as they are going to be supervised by another adult or yourself. You can't send a child to another country with no supervision.
Three sentences using the word 'supervision' could be: "Matt has to be under constant supervision of a teacher, because he is a danger to other children." "Adequate supervision must be provided when children are in the swimming pool, otherwise they could be injured." "Appropriate supervision is given to people who are learning to drive so that they do not crash."
organisms that require a constant supply of oxygen from the prokaryotic group are called "obligate aerobes
Jobs that require collage deegees
She had a nervous breakdown from the constant stress at work, and had to switch careers.Small children need constant supervision, and cannot be left alone for any length of time, even 10 minutes.
Three sentences using the word 'supervision' could be: "Matt has to be under constant supervision of a teacher, because he is a danger to other children." "Adequate supervision must be provided when children are in the swimming pool, otherwise they could be injured." "Appropriate supervision is given to people who are learning to drive so that they do not crash."
I require little supervision because I know what I am doing and I work responsibly.
Ask your parents, then they'll tell you if they think its okay or not.