Rock Cycle

Rock Cycle
Which two gases are most responsible for greenhouse effect ?
Water vapour
Carbon dioxide
Argon
Both a and b
Author: rikazzz Comment
Rock Cycle
Which nutrient does not have a gaseous phase on earth?
Carbon
Nitrogen
Phosphorous
Calcium
Author: rikazzz Comment
Rock Cycle
Material produced by weathering accumulates in
Sedimentary Rocks
Depositional basins
Basins
Igneous rocks
Author: rikazzz Comment
Rock Cycle
What is involved in manufacturing of protein and DNA ?
Nitrogen
Phosphorous
Carbon
Oxygen
Author: rikazzz Comment
Rock Cycle
Releasing fixed nitrogen back to molecular nitrogen is known as
Nitrogen cycle
Nitrification
Denitrification
All of above
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Rock Cycle
What chemical reaction takes place when chemicals from rocks dissolved in water ?
Chemical Weathering
Physical weathering
Weathering
Rock cycle
Author: rikazzz Comment
Rock Cycle
What does ‘plate’ form ?
Divergent plate boundary
Convergent plate boundary
Hydrosphere
Transform fault boundary
Author: rikazzz Comment
Rock Cycle
Where does divergent plate boundary occur?
Seafloor
Ocean ridges
Basins
Himalayas
Author: rikazzz Comment
Rock Cycle
How much thicker is lithosphere ?
100km
120km
110km
130km
Author: rikazzz Comment
Rock Cycle
What does free nitrogen make 80% of earth ?
Lithosphere
Atmosphere
Mantle
Core
Author: rikazzz Comment

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