The word 'ecological' is related to ---
ক) Demography
খ) Pollution
গ) Atmosphere
ঘ) Environment
Related Questions
ক) Creation of the universe
খ) Origin of life
গ) Cell formation
ঘ) Origin of plants
ক) Invisible
খ) Inaudible
গ) Inevitable
ঘ) Irresistible
জব সলুশন
