Considering that an up quark has a charge of +23 and a down quark has charge of −13, which of the following represents the correct quark combination for a proton?(1 point)

Responses

0 up, 3 down
0 up, 3 down
2 down, 1 up
2 down, 1 up
3 down, 3 up
3 down, 3 up
2 up, 1 down