Choose correct sentence for carbon cycle.
- AIn the composition of living organisms, carbon constitutes $39\% $ of dry weight of organisms and is next only to water.
- BFossil fuel not represent a reservoir of carbon
- CAccording to one estimate $5 \times 10^{13}\ kg$ of carbon is fixed in the biosphere.
- DRapid deforestation and massive burning of fossil fuel, for energy and transport have significantly increased the rate of release of carbon dioxide into the atmosphere.
Similar Questions
Ecosystem may be defined as
Ecosystem may be defined as
Plant succession is a ............. process
Plant succession is a ............. process
If all the green plants were to disappears from the earth
If all the green plants were to disappears from the earth
A natural region characterised by hot summer, warm winter and treeless vegetation
A natural region characterised by hot summer, warm winter and treeless vegetation
Deciduous forests are mainly found in region where annual precipitation ranges between
Deciduous forests are mainly found in region where annual precipitation ranges between