asked 37.5k views
1 vote
Yoghurt contains living bacteria. Bacteria are also capable of anaerobic respiration. If a sealed carton of yoghurt is left for a long time, the lid bulges upwards. Why does this happen?

asked
User Flowfree
by
8.3k points

1 Answer

4 votes
The bacteria is expanding underneath the surface of a container that is sealed, also the bacteria is spreading so it makes more room
by pushing the lid upwards
answered
User Prusse
by
8.2k points
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