മോണ്ട്രിയൽ ഉടമ്പടി ഒപ്പുവച്ച വർഷം ഏത് ?
A1987
B1997
C1992
D1981
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
അന്തരീക്ഷത്തിലെ ചൂട് ഏറ്റവും ഉയർന്ന നിലയിൽ എത്തുന്നത് :
Which of the following statements are correct about atmospheric gases?
The composition of gases remains constant across all layers.
Oxygen becomes negligible at around 120 km altitude.
Hydrogen has the highest concentration among rare gases.
As the fine dust particles in the atmosphere help in cloud formation they are called :
The nearest atmospheric layer to the earth surface is:
Which instrument is used to measure humidity in the air?