Standard Science Primary 3 Diversity

Which of the following shows a helpful use of bacteria?

A Causing a sore throat
B Turning milk into yogurt
C Causing food to rot
D Giving us a stomach ache
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Worked Solution

Step 1: Identify that some bacteria are useful. Step 2: Specific bacteria are used in food production (yogurt, cheese). Step 3: Option C is the helpful use.

Correct answer: Turning milk into yogurt

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