Last updated on 2016-12-26, by
Thirst
Maybe you will never realize the importance of water resources if you don’t view the slideshow or the video slideshow. So be patient to view the whole slideshow and share it with others if you really realize something.
Thirst
View more presentations from Jeff Brenman.
Thirst PowerPoint Video
Please treasure and conserve water resources before it is too late for us to feel thirsty!
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