Birdwatch Note Rating
2023-07-12 16:28:40 UTC - NOT_HELPFUL
Rated by Participant: FA4A6273999C6B7EA9A9D361332A8404027E02B95E92152D0C39C08F1BCC1448
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