The only "weight exercise" that will make you gain height is hanging with heavy weights on the downward part of your body, and that only temporarily. Lifting weights builds muscle mass; it has nothing at all to do with how tall you are.
They can from exercises that effectively build muscle such as weight lifting. Obviously, you aren't going to gain weight from body fat. :P
Yes
Steroids
To help you determine what exercise you can do, ask yourself if you want to lose or gain weight. Some people want to lose weight and instead they gain weight, little do they know that they are doing the wrong kind of physical activity. See fitness expert in order to determine which exercises suits you.
Don't exercises, and eat plenty of more food than usual.
No. You gain weight if you consume too many calories for your height, age, activity level, sex and specific weight.
Most OB/GYN Doctors recommend that pregnant women that are of healthy weight for height should only gain about 25 pounds during their entire pregnancy. This ensures that the mother does not gain more weight than is necessary for a healthy offspring. Gaining too little weight can result in a Low Birth Weight of the baby. Gaining too much can result in a heavier than normal Birth Weight for the baby. In order to gain the recommended amount of weight, or maintain a healthy weight, the mother should eat a well balanced meal and continue to do some light exercises. You may visit the following website for some ideas on exercises that are safe to do while pregnant. http://www.americanpregnancy.org/pregnancyhealth/toprecommendedexercises.html
A person can gain weight but stay in shape for soccer by consuming a high protein diet. Performing strength training exercises will build muscle while cutting fat.
There is no specific tablet to gain weight. Eat a healthy diet with lots of protein and exercises. Steroid supplements used by some gym enthusiasts are not good for the body and should be discouraged
you can resize your uniforms speacially when you gain or loss weight and height .
You gain body hair, height, weight and voice changes.
Depends on your height. I was 11 three years ago and that was about my weight. You sound healthy to me. :)