Question

Give scientific reason.
Milk sour rapidly in summer.

Answer 1

Answer:

Milk get sour because of harmless bacteria called lactobacillus, which uses lactose for energy and creates lactic acid as a by-product. ... In summer the process if fast because bacteria have the favorable temperature so the can multiply. Chilling the milk slower down the this process.

Explanation:

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Answer 2

Answer:

Milk get sour because of harmless bacteria called lactobacillus, which uses lactose for energy and creates lactic acid as a by-product. ... In summer the process if fast because bacteria have the favorable temperature so the can multiply. Chilling the milk slower down the this process.