salts of weak bases strong acids industrial wastes from rayon mills and steel mills drainages from abandoned mines photosynthesis of algae in water
Answer Discuss in Comment
"Scientists dream about doing great things. Engineers do them."
PSC Advertisement ⏩ | Federal PSC | Bagmati PSC | PSC Karnali | PSC Lumbini | PSC Sudurpaschim | PSC Gandaki | PSC State 1.
