 Image Number D3200-1 |
Marshall Samuel, a visiting scientist from Malaysia, performs an analysis for stable soil carbon at Washington State University.
Photo by Ann-Marie Fortuna.
An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.