Birdwatch Note Rating
2023-07-12 14:23:02 UTC - HELPFUL
Rated by Participant: CDBA8ED3F8F0DAC61C590AECB406722A04B82E4A823DB24DB760B3CFEF8C6AE9
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