Posted on Leave a comment

Chemical Compound (Environmental Glossary)

Chemical Compound: A distinct and pure substance formed by the union or two or more elements in definite proportion by weight.

👇​ ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖


👇​ ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖

Leave a Reply