Summary
These plants can make polluted water safe for drinking. 💧
It helps keep rivers clean without hurting nature. 🌿
Key Points
3 points1
Blue‑green algae can grab lead from water.
2
The method is safe for the environment.
3
It could help give people cleaner water.
New Words to Learn
5 wordsalgae
tiny water plants that grow in ponds
lead
a heavy metal that can make water unsafe
sustainable
something that can be used for a long time without hurting nature
environment‑friendly
kind to nature and does not cause pollution
contaminated
dirty or polluted with harmful stuff
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