Question

Drag each phrase to show whether it causes water pollution or is an effect of water pollution.
Choices:
• Algal blooms
• Overgrazing
• Use of chemical fertilizers to enhance production
• High concentration of nitrogen in water

Answer 1

Sure! Here’s how these phrases can be categorized:

**Causes of Water Pollution:**
- Overgrazing
- Use of chemical fertilizers to enhance production

**Effects of Water Pollution:**
- Algal blooms
- High concentration of nitrogen in water

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