What is inside Swiss cheese holes?

nitrogen
carbon dioxide
water vapor
air
Carbon dioxide is produced by bacteria feeding on the lactic acid. In the Middle Ages, the holes were con­sid­ered a sign of im­per­fec­tion and cheese makers would try to avoid them.

Answers distribution

nitrogen
carbon dioxide
water vapor
air
answers
flagFinland
2%
95%
0%
2%
46
flagItaly
3%
75%
1%
19%
61
flagthe United Arab Emirates
3%
70%
11%
14%
27
flagNorway
3%
69%
3%
21%
52
flagGermany
3%
68%
2%
26%
296
flagFrance
4%
65%
2%
24%
81
flagIndia
11%
64%
9%
13%
538
flagSpain
3%
63%
0%
30%
33
flagPoland
8%
62%
3%
25%
19758
flagRepublic of Ireland
4%
62%
3%
30%
95
flagPakistan
5%
61%
8%
21%
71
flagthe United Kingdom
9%
59%
5%
25%
731
flagthe Netherlands
5%
58%
1%
35%
80
flagMalaysia
12%
58%
12%
15%
39
flagthe Philippines
12%
57%
8%
21%
82
flagthe United States
11%
55%
7%
24%
1252
flagCanada
9%
55%
7%
25%
84
flagUU
9%
52%
3%
33%
53
flagAustralia
15%
46%
8%
25%
58
flagSingapore
19%
38%
7%
34%
26

Gender

men66%
women59%
nitrogen
8%
10%
carbon dioxide
66%
59%
water vapor
2%
2%
air
22%
27%

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What is inside Swiss cheese holes?
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Author: Kasia
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