pollution

Pollutions ,Ozone Layer Deflection and Its Effect in Environment

February 2, 2022May 17, 2021

Pollution is main problem of earth. Developed Country like America, Chaina are producs many pollutants,Such pollutant affect in earths environment. …

Pages

About Us
Contact Us
Disclaimer
Privacy Policy

Recent Post

Engineering in Pokhara University(PU) -2…
IOE Entrance Exam Routine 2078-79 Exam D…
Full Form of some common words in 2022
Class 12 Most Important Question Of Chem…
Oxygen Cylinder Shortage ~ Oxygen Shorta…

Helplr.xyz is an Educational blog. Here we published different Articles /blogs about physics derivation, chemistry derivations, and different educational knowledge.