Question
| Section $'A'$ | Section $'B'$ |
| $(1)$ Lithosphere | $(1)$ Sphere of various gases |
| $(2)$ Atmosphere | $(2)$ Base for human maintenance of life |
| $(3)$ Biosphere | $(3)$ A sum of all four spheres |
| $(4)$Hydrosphere | $(4)$ Dwelling for human beings and all living organisms |
| $(5)$ Existence of living organisms |