Birdwatch Note Rating
2023-07-12 14:46:45 UTC - NOT_HELPFUL
Rated by Participant: 1756C9EF9DE0BB4F1CE4AC386AC77E2A9D7BB5C1D52F085BC5B24AE694846A5E
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