Submitted by nbcnews6778 in science
After some recent intense wildfires in Northern California, scientists tested samples of singed soil and were disturbed by their findings: It was laden with a cancer-causing metal called hexavalent chromium.
Submitted by nbcnews6778 in science
After some recent intense wildfires in Northern California, scientists tested samples of singed soil and were disturbed by their findings: It was laden with a cancer-causing metal called hexavalent chromium.