Some scientists look into outer space while others look elsewhere. Georg Steinhauser looked into his bellybutton and discovered what the lint found there contains and its possible purpose. Mostly made of fabric bits and dead skin, it is most likely used to keep germs and other things out.
Answer:
it is the 3 one and number 2 contains a comma splice
Explanation:
2.The dress is a bit big on her; my mother has made it stay with pins
3.The dress is a bit big on her. My mother has made it stay with pins.
it is supposed to be The dress is a bit big for her. My mother has made it stay with pins.