كيمياء الحياة - كتاب علوم الأرض و الفضاء - الصف 12 - الفصل 1 - المملكة العربية السعودية

كيمياء الحياة وزارة التعليم Ministry of Education 2025 - 1447 226 --- VISUAL CONTEXT --- **IMAGE**: Untitled Description: A stack of several old, worn textbooks with yellowed pages and faded covers, positioned on the left side of the page. In the foreground, to the right of the book stack, there is a large, rough piece of light green crystalline mineral, possibly fluorite or calcite, with visible facets and internal structures. Context: This image serves as an illustrative background for a chapter or section titled 'Chemistry of Life', suggesting the foundational knowledge from books and the natural world (minerals) as components of chemistry.