How are the holes of Swiss cheese made?

Question : How are the holes of Swiss cheese made?

Answer : The holes of Swiss cheese are made with Carbon dioxide.

7 little words

1. Two-door Plymouth model
2. Bruise around the eye
3. Roosting rod 7 Little Words
4. Easy mark 7 Little Words
5. Hockey footwear 7 Little Words
6. Hairstyle 7 Little Words
7. Painter Jackson 7 Little Words
8. 1940s Fairey aeroplane
9. Kind of gull 7 Little Words
10. Insignificant person 7 Little Words