Rock Cycle
Releasing fixed nitrogen back to molecular nitrogen is known as
Nitrogen cycle
Nitrification
Denitrification
All of above
Denitrification
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Himalaya is formed byA. Convergent plates
B. Divergent plate boundary
C. Transform fault boundary
D. Hydrological cycle
Plates move away from each other, in the
A. Transform fault boundary
B. Convergent plate boundary
C. Divergent plate boundary
D. Tectonic plates
In ocean, carbon is usually in form of:
A. Bicarbonates ions
B. Carbon dioxide
C. Calcium
D. Phosphorous
In tectonic cycle, creation and destruction of solid outer layer, known as
A. Lithosphere
B. Crust
C. Core
D. Mantle
What does free nitrogen make 80% of earth ?
A. Lithosphere
B. Atmosphere
C. Mantle
D. Core
How much thicker is lithosphere ?
A. 100km
B. 120km
C. 110km
D. 130km
Where does divergent plate boundary occur?
A. Seafloor
B. Ocean ridges
C. Basins
D. Himalayas
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