Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form — Qualitative and Quantitative Analysis Chemistry Question

💡 Solution & Explanation

Step 1: The biosphere is the region of the Earth where life exists. Step 2: It comprises all living organisms along with the physical environments they inhabit and interact with: the land (lithosphere), air (atmosphere), and water (hydrosphere). Step 3: Thus, option (d) correctly lists living organisms plus these three physical spheres.