Birdwatch Note Rating
2023-07-12 19:04:07 UTC - NOT_HELPFUL
Rated by Participant: 8B94B7856E4CF6E94223FC2DE48A8781486338DA5C8CE139EA046968DC6CC58D
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