JKBOSE Environmental Science: Solved Model Question Paper for Class 12th  Environmental Science NCERT–2 (2023)

Particulate Matter (PM) is a term used to describe any solid or liquid particles that are suspended in the air. These particles come from a variety of sources, including natural sources (e.g., dust, pollen, and volcanic ash) and human activities (e.g., emissions from burning fuels, manufacturing processes, and construction activities).

JKBOSE Environmental Science: Solved Model Question Paper for Class 12th  Environmental Science NCERT–2 (2023) Read More »