why seas blue
Please refer to the following link.
https://www.meritnation.com/ask-answer/question/why-water-in-thesea-appears-to-be-blue-in-colour-wheras-in-g/science/7152785
https://www.meritnation.com/ask-answer/question/why-water-in-thesea-appears-to-be-blue-in-colour-wheras-in-g/science/7152785