Birdwatch Note Rating
2023-07-12 17:33:07 UTC - NOT_HELPFUL
Rated by Participant: DF8F10FC6A4A4EF7342C6E4118B62370E3D3B2ABE753D5142F4D6EF0AB921D24
Participant Details
Original Note:
The black plastic balls mentioned in the video serve as a barrier to water evaporation when the reservoir levels are low. By composition and design, the dark material absorbs and prevents the sun's rays from acting under the surface of the water. https://www.sciencealert.com/here-s-what-s-really-going-on-with-those-black-balls-in-the-la-reservoir
All Note Details