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Overview is discussed

Hariom Patel
MBBS student at AIIMS, New Delhi (AIR 38-AIIMS 2016)

Unacademy user
sir ap pls apni pri.test crack krne ki strategy btaiye pls sir...
Mahendra Yadav
a year ago
Aapko pahli baar dena hai eske pahile kabhi diya hai
Saumya chaubey
a year ago
nhi sir pahli bar dena h or isi bar pri. nikalna chahti hu to pls ap guide kre ki mn pri. is bar hi nikal lu..
what does the sentence - the need of the hour is to check the degradation and depletion of our precious natural resources and pollution without halting the process of development .....mean sir
not proper in English. Pls try in hindi
sir assertion reason question ka kuch kija.....
sir after a long time...

  2. Pollution Pollution is any undesirable change in physical, chemical or biological composition of air, water and land, and the agents that cause these are called pollutants.

  3. Air Pollution and Its Control . Water Pollution and Its Control Solid Wastes and Radioactive Wastes . Greenhouse Effect and Global Warming Ozone Depletion in the Stratosphere Degradation by Improper Resource Utilization and Maintenance Deforestation