Birdwatch Note Rating
2023-07-12 17:41:35 UTC - HELPFUL
Rated by Participant: 8C214DFEB11645DBC267927BF91616D67B4C50F46256E7C6ED33F4ABF9D902B1
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