Mrunal Patel Unacademy's video: Environment Dissolved Oxygen in Sea Water- Factors Affecting Fish Kill Texas Beach Pollution UPSC

MCQ. How many of the following reduce the amount of dissolved oxygen in sea-water? (निम्न में से कितने कारकों के चलते पानी में घुले हुए ऑक्सीजन की मात्रा कम होती है) 1. Absence of waves in sea (समंदर में लहरें ना आना) 2. Cloudy Sky for many days (कई दिनों से आसमान में बादल छाए रहना) 3. Hot Temperature for many days 4. Biodegradable detergent in water 5. Algae Bloom Answer Codes - A) only two of these - B) only three of these - C) only four of these - D) all five of these 🟧🟨🟧 ☑️📜Website: https://mrunal.org ☑️👬FB: https://www.facebook.com/Mrunal.org/ ☑️♐️Telegram: https://telegram.me/mrunalorg ☑️👨‍🏫Unacademy: https://unacademy.com/@mrunal.org (use 🔖coupon code "Mrunal.org" for an extra discount!🤑) ☑️📯Twitter: https://twitter.com/Mrunal_Patel ☑️🛒Amazon: https://www.amazon.in/shop/mrunal (For purchasing competitive exam books)