Loading...
Images of Katherine Dasilva Morales
(0 from 0 )News
Cool schools: Real-life lesson on handling wastewater
archive.9news.com
[9NEWS.com] - Student Katherine Morales told us, "The dark part is so cool - how it stays at the bottom and the clean stuff goes up. That really amazed me." Marty Johnson explained, "The bacteria are the worker bees in this process. They're doing the job.
sorted by relevance / date