💀 The Deoxygenation Threat
How fertilisers and detergents silently suffocate entire ecosystems
⚗️ The Atomic Storyteller — The Hook
Imagine giving a football team an entire warehouse of energy drinks. They'd go berserk — completely out of control. That's exactly what happens when Nitrates and Phosphates flood a lake. The algae go into overdrive. But this feeding frenzy has a catastrophic ending: the bacteria that clean up the mess breathe in every last molecule of oxygen, and the fish suffocate.
🌊 Lake Time-Lapse
Click a day to watch the lake die.
⛓️ Cause & Effect Chain
Click each step to reveal the science.
🔍 Pollution Source Identifier
Click an ion to reveal where it comes from and what it does.
| Pollutant | From Fertilisers? | From Detergents? |
|---|---|---|
| Nitrates (NO₃⁻) | ✓ Yes | ✗ No |
| Phosphates (PO₄³⁻) | ✓ Yes | ✓ Yes |
⚠️ The Examiner's Trap
Do the nitrates directly poison the fish?
📖 Mark-Earning Keywords
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