The Outside Story shows how needle-thin columns of ice protruding from the ground are formed from the liquid between soil particles.
You can create a project exhibit to showcase what you’ve learned while working on your project. Project exhibits are submitted for judging at the annual Marion County 4-H Showcase. Soil and water ...
Soil contaminated with harmful perfluorinated and polyfluorinated alkyl substances (PFAS) is difficult to clean, a complete remediation is often not possible. Perfluorinated and polyfluorinated alkyl ...