Why does milk turn sour

Laten we beginnen. Het is Gratis
of registreren met je e-mailadres
Why does milk turn sour Door Mind Map: Why does milk turn sour

1. How does Bacteria get there?

2. What can we do to stop it?

2.1. What stops bacteria from growing?

2.1.1. Will bacteria grow in air tight conditions?

2.1.2. Does adding salt or sugar stop bacteria from growing?

3. What are the conditions for it to turn sour?