NCERT Solutions for Class 11 Science The living world 1 Important Board Questions The living world NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 2
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Class 9 Science, Biology section, Important Questions for CBSE terminal exams, NCERT Solutions for 9th Science Biology.
Do you know that desert plants absorb the sunlight during the day and take up carbon dioxide at night and prepare an intermediate which is acted upon by the energy absorbed by the chlorophyll during the day.
Any undesirable change in physical, chemical or biological characteristics of natural resources like air, land, water or soil is known as pollution. All the agents that are responsible for this change are called as pollutants.
