Q2 of 287 Page 344

Atmosphere of Earth is rich in .............

Nitrogen

Atmosphere of earth is 78% nitrogen, 21% oxygen, 0.9% argon and 0.3% carbon dioxide.


More from this chapter

All 287 →
15

Rhizobium leguminosarum is a nitrogen fixing bacteria which occurs in the soil.

 1

Atmosphere of Mars is rich in ...............

 3

Surface temperature of moon varies from – 190° to ..............

 4

CFCs are carbon compounds having both ............... and chlorine.