Statistics for A Level Geography - The Carbon Cycle

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Definition	Key word	% Correct
The breakdown of rocks in situ by a combination of weather, plants and animals	Weathering	71%
Any gaseous compound in the atmosphere that is capable of absorbing infrared radiation, thereby trapping and holding heat in the atmosphere	Greenhouse gas	68%
The crust and the uppermost mantle	Lithosphere	68%
A store of carbon that absorbs more carbon than it releases	Carbon sink	43%
The total sum of all living matter	Biosphere	36%
The capture of carbon dioxide from the atmosphere or capturing anthropogenic CO2 from large scale stationary sources before it is released to the atmosphere	Carbon sequestration	18%
The impact on the climate from the additional heat retained due to the increased amounts of carbon dioxide and other greenhouse gases that humans have released into the atmosphere since the industrial revolution	Enhanced greenhouse effect	11%
The difference between the incoming solar energy absorbed by the Earth and energy radiated back to space	Radiative forcing	4%
Carbon dioxide generated by human activity	Anthropogenic CO2	0%
The technology of capturing greenhouse has emissions from power stations and pumping them into underground reservoirs	Geo-sequestration	0%
The organic constituents in the soil: tissues from dead plants and animals, products produced as these decompose and the soil microbial biomass	Soil organic carbon	0%