21. Pollution is a global problem. Of the reasons listed below, which is the primary reason for pollution? a Religious beliefs b Social and economic structure c Inefficiency of all types of processes d Advances in science and technology
21. Pollution is a global problem. Of the reasons listed below, which is the primary reason for pollution?
a Religious beliefs
b Social and economic structure
c Inefficiency of all types of processes
d Advances in science and technology
The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. All these spheres are interdependent and affect each other.
The atmosphere acts as a protective shield against the harmful ultraviolet rays of the Sun and also obstructs any incoming celestial body such as an asteroid or meteoroid. Ever since the formation of the atmosphere, it has been evolving by changing its chemical composition. The biosphere includes the living entities of the Earth. The various elements of the biosphere are plants, animals, human beings, and micro-organisms.
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