(d) (i) Some of the human sources of greenhouse gases in the atmosphere are shown below. crop farming using chemical fertilisers tactories burning fossil fuels car engines running on petrol livestock farmers keeping cattle refrigeration and air conditioning decomposition of waste in landfill exhaust emissions from old trucks and buses use of aerosol sprays Fill in the table to show sources for the different greenhouse gases. Use each source once only. greenhouse gas co, human source methane CFCS N,0

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter46: Ecosystems
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Problem 3VCQ: Figure 46.17 Which of the following statements about the nitrogen cycle is false? Ammonification...
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refrigeration and air conditioning decomposition of waste in landfill
(d) (i) Some of the human sources of greenhouse gases in
the atmosphere are shown
below.
crop farming using chemical fertilisers
factories burning fossil fuels
car engines running on petrol
livestock farmers keeping cattle
decomposition of waste in landfill
exhaust emissions from old trucks and buses
use of aerosol sprays
Fill in the table to show sources for the different greenhouse gases. Use each
source once only.
greenhouse gas
human source
co,
methane
CFCS
N,0
(ii) Another human source of greenhouse gas emissions c..
be described as follows,
• results in the release of CO2
· associated with change from natural to urban or
agricultural land use.
Suggest the name of this source of greenhouse gas
emissions.
source
(e) The table gives the amount of carbon emitted into the
atmosphere in carbon dioxide from 1860 to 2000.
These are cumulative totals (new amounts released each
year have been added to those already there).
year
carbon / billions of tonnes
1860
40
1880
1900
1920
1940
1960
50
60
90
130
1980
2000
180
270
380
(1) On the grid, draw a line graph to show the amount of carbon emitted from 1860 to
2000.
400
300-
carbon
/billions 200-
of tonnes
100
0+
1860
1880
1900
1920
1940
1960
1980
2000
(31
Transcribed Image Text:refrigeration and air conditioning decomposition of waste in landfill (d) (i) Some of the human sources of greenhouse gases in the atmosphere are shown below. crop farming using chemical fertilisers factories burning fossil fuels car engines running on petrol livestock farmers keeping cattle decomposition of waste in landfill exhaust emissions from old trucks and buses use of aerosol sprays Fill in the table to show sources for the different greenhouse gases. Use each source once only. greenhouse gas human source co, methane CFCS N,0 (ii) Another human source of greenhouse gas emissions c.. be described as follows, • results in the release of CO2 · associated with change from natural to urban or agricultural land use. Suggest the name of this source of greenhouse gas emissions. source (e) The table gives the amount of carbon emitted into the atmosphere in carbon dioxide from 1860 to 2000. These are cumulative totals (new amounts released each year have been added to those already there). year carbon / billions of tonnes 1860 40 1880 1900 1920 1940 1960 50 60 90 130 1980 2000 180 270 380 (1) On the grid, draw a line graph to show the amount of carbon emitted from 1860 to 2000. 400 300- carbon /billions 200- of tonnes 100 0+ 1860 1880 1900 1920 1940 1960 1980 2000 (31
(e) The table gives the amount of carbon emitted into the
atmosphere in carbon dioxide from 1860 to 2000.
These are cumulative totals (new amounts released each
year have been added to those already there).
year
carbon / billions of tonnes
1860
1880
40
50
60
90
1900
1920
1940
130
1960
180
1980
270
380
2000
(i) On the grid, draw a line graph to show the amount of carbon emitted from 1860 to
2000.
4007
300-
carbon
/billions 200
of tonnes
100-
0-
1860
1880
1900
1920
1940
1960
1980
2000
year
(ii) Describe the two most important things that the graph
shows about carbon emissions from 1860 to 2000.
Transcribed Image Text:(e) The table gives the amount of carbon emitted into the atmosphere in carbon dioxide from 1860 to 2000. These are cumulative totals (new amounts released each year have been added to those already there). year carbon / billions of tonnes 1860 1880 40 50 60 90 1900 1920 1940 130 1960 180 1980 270 380 2000 (i) On the grid, draw a line graph to show the amount of carbon emitted from 1860 to 2000. 4007 300- carbon /billions 200 of tonnes 100- 0- 1860 1880 1900 1920 1940 1960 1980 2000 year (ii) Describe the two most important things that the graph shows about carbon emissions from 1860 to 2000.
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