Short of surgery or disease - no
No
you dont need to worry about growing. you are beutifull for just being you!
Have her parents put her on the rack.
Yes you can increse height naturally under 20 year
No. going to the gym will not affect your height.
At 20 - no
wear high heels (this is for womens and not a permanent solution)
wear heels
Typically, height increases until the growth plates in the long bones close, which usually occurs by the end of puberty, around age 18 to 20. After this point, significant height increase is unlikely. However, factors such as improved posture, exercise, and stretching can help individuals appear taller. But, any noticeable increase in height after 20 is rare and generally not achievable through natural means.
No. You are as tall as you will be in life. Get a boot with a heel if you wish to be taller.
5.2 to 5.3
Typically, at 20 years old a girl cannot increase her height. This is because she already has gone through puberty and a growth spurt at that age.