Using the Earth's Resources: Potable Water Sources 💧 GCSE Chemistry Learning & Revision

This episode outlines various origins of drinkable water. We identify fresh water as the simplest source to purify, requiring only filtering and sterilization. In contrast, seawater desalination is presented as the most energy-intensive and costly method. Finally, the text notes that wastewater treatment is a multi-stage process that demands less energy than making seawater potable.Don't miss out on subscribing for more educational content tailored to help you succeed in your exams. Perfect for AQA, OCR, Edexcel, CIE and WJEC exam boards.⁠Click here to see all of our GCSE Chemistry content!