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
flagSwitzerland
15%
61%
5%
17%
39
flagItaly
0%
60%
10%
30%
30
flagthe Netherlands
2%
57%
2%
37%
45
flagIndia
13%
55%
14%
15%
1394
flagGermany
13%
55%
2%
28%
426
flagUnknown
6%
54%
11%
27%
87
flagIndonesia
3%
54%
16%
25%
31
flagPoland
10%
52%
3%
32%
29423
flagAustralia
13%
52%
8%
23%
135
flagMalaysia
10%
51%
16%
19%
77
flagPakistan
9%
50%
14%
23%
176
flagthe United Kingdom
12%
48%
7%
29%
566
flagthe United States
13%
46%
7%
31%
1509
flagAustria
15%
45%
1%
34%
70
flagthe United Arab Emirates
9%
45%
15%
30%
33
flagCanada
15%
44%
9%
28%
94
flagthe Philippines
13%
43%
14%
27%
161
flagNigeria
16%
42%
25%
16%
99
flagRepublic of Ireland
11%
31%
11%
46%
45
flagSingapore
11%
26%
11%
51%
45

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