Document page
biology 0610printed 295 · PDF 295
328 pagesrevision 46933
printed 295 · PDF 295
Page image rendered from the stored file at 110 dpi; it sharpens as you zoom. Outlines are placed from each region’s stored position on the page (612 × 792 pt).
no text layerread by OCR (tesseract5-eng@250dpi)The text layer was unusable, so the page image was read by OCR. OCR text can contain misread characters.
Source of this text: read by OCR. The better of the embedded text and OCR is kept.
Aitchison College Academic Resources.
What is reduced after deforestation?
A
B
c
D
4.
force of rain hitting the ground
rainwater run-off
soil erosion
soil fertility
The diagram shows four positions on a river where water samples were taken.
direction ———
of flow W
untreated
x sewage
outlet
Which graph shows oxygen concentrations in the river?
oxygen
concentration
oxygen
concentration
A
T T T 1
Ww xX Y Z
position
J |
T T T 1
Ww xX Y Z
position
Y Z
B
oxygen
concentration
T T qT i
Ww X A Z
position
D
oxygen { a
concentration
position
295
NH