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Question 16

Some geography students have been conducting environmental geography fieldwork near a busy transport corridor. They were investigating how air quality changes at increasing distances from a major motorway. Some of their results are shown in the table below.

Table 1: Particulate matter ( $PM_{2.5}$ ) levels along a transect

Sampling Point	Distance from motorway edge	Reading 1	Reading 2	Reading 3
A	20m	54.2	51.0	58.7
B	40m	38.5	41.2	39.0
C	60m	22.1	24.8	21.3
D	80m	12.4	10.9	11.5

Suggest one problem with the recording of this data.

[1]

Markscheme

Geographical Skills Questions

GCSE
Geography
Geographical Skills

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Geographical Skills

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Question 16

Table 1: Particulate matter ( $PM_{2.5}$ ) levels along a transect

Sampling Point	Distance from motorway edge	Reading 1	Reading 2	Reading 3
A	20m	54.2	51.0	58.7
B	40m	38.5	41.2	39.0
C	60m	22.1	24.8	21.3
D	80m	12.4	10.9	11.5

Suggest one problem with the recording of this data.

[1]

Markscheme

Geographical Skills Questions

GCSE
Geography
Geographical Skills

Geographical Skills

Question 16

Table 1: Particulate matter (PM2.5PM_{2.5}PM2.5​) levels along a transect

Geographical Skills Questions

Geographical Skills

Question 16

Table 1: Particulate matter (PM2.5PM_{2.5}PM2.5​) levels along a transect

Geographical Skills Questions

Table 1: Particulate matter ( $PM_{2.5}$ ) levels along a transect

Table 1: Particulate matter ( $PM_{2.5}$ ) levels along a transect