No.
As DragonBall is a fictional verse and manga, and the aspect of the existence of saiyans and the Super Saiyan does not exist in real life, it is not possible for one to become SSj.
Humans can only become Super Saiyans by a wish from a set of Dragon Balls, other then that, their is no other way.
Yes...
No as only saiyans and half saiyans can turn super saiyans so the only way to become super saiyan is to have saaiyan blood and needs to be strong.
No one can become a super saiyan. Saiyans in general are fake and were created by Akira Toriyama.
only boy's turn into a super saiyan that's why
no...
No one can because nobody on Earth is a saiyan.
In the fictional TV series Dragon Ball, and all its successors, it is possible for a normal human to become a Super Saiyan by use of a Dragon Ball wish. Otherwise, according to Goku, a Saiyan unlocks the Super Saiyan transformation in a time of great need. However, Vegeta became a Super Saiyan just by desperately wanting to surpass Goku.
you need to have a pure heart, then you have this heart rate that will get you super angery, unleash your fury and you become a super saiyan
he turned into super saiyan 2 when he turned into Majin vegeta by Babidi
Depends on how many Dragon Balls you have collected.
Gohan can't go Super Saiyan 4- only pure Super-Saiyans (Like Vegeta) can do that, and Gohan is half-human.
ya goku and vagita both become a super saiyan 4 at 1 point