Water is indeed life and it's precious as such we shouldn't waste it. My dear you'll need to change your second to last image because they're not free to use.

As you can see it comes with a price tag, and it's plagiarism. You can source free images using the below sites:

https://unsplash.com/

https://pexels.com/

https://Freepik.com/

https://pixabay.com/