questionedithistorytranslations

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.
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Answers by country

nitrogen
carbon dioxide
water vapor
air
answers
flagthe Netherlands
1%
55%
3%
38%
54
flagItaly
4%
55%
6%
33%
45
flagIndia
13%
54%
14%
16%
1638
flagUnknown
6%
54%
11%
27%
87
flagGermany
12%
53%
3%
29%
1076
flagPoland
10%
52%
3%
32%
31223
flagGreece
5%
52%
5%
37%
40
flagMalaysia
11%
51%
16%
19%
87
flagthe United Kingdom
12%
50%
7%
28%
714
flagAustralia
13%
50%
10%
23%
164
flagthe United Arab Emirates
9%
50%
11%
29%
44
flagPakistan
9%
49%
14%
24%
202
flagSwitzerland
12%
49%
3%
32%
97
flagthe United States
12%
47%
7%
30%
1683
flagthe Philippines
11%
44%
13%
28%
186
flagAustria
17%
43%
1%
35%
164
flagCanada
13%
43%
13%
29%
127
flagRepublic of Ireland
11%
40%
8%
38%
59
flagNigeria
15%
37%
25%
20%
179
flagSingapore
16%
28%
8%
46%
56

Are gas fittings tightened clockwise or anti-clockwise?

clockwise
anti-clockwise
it depends on the gas
there is no standard

How many percent of the total mass of the sun is gas?

79,8
89,9
99,8
100

Who coined the term "gas"?

Cornelis van Niel
Julius von Mayer
Jan Ingenhousz
Jan van Helmont

Lactose intolerance is a frequent reason to avoid milk and dairy products. What is lactose?

a sugar
a lactic acid
a protein
a process of milk fermentation