Standard Science Primary 3 Diversity

Why is some bacteria considered "useful"?

A It helps to make yogurt.
B It causes food to rot.
C It causes diseases like the flu.
D It makes us fall sick.
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Worked Solution

Step 1: Useful bacteria provide benefits to humans. Step 2: Bacteria used in food production (like yogurt or cheese) is beneficial. Step 3: Final Answer: It helps to make yogurt.

Correct answer: It helps to make yogurt.

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