Example sentences of "may be caused by [adj] " in BNC.
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| 1 | Physical indications that may be caused by defective vision : unusual head position while working ( poking forward or held sideways ) ; work held at an unusual distance or angle ; frowning , squinting or facial grimaces when trying to read ; complaints of headache or dizziness during visual activities ; covering one eye with the hand , or closing it ; aversion to bright light . |
| 2 | The low birthweight may be caused by external factors , such as smoking during pregnancy ; premature babies , which may result from insufficient standards of antenatal care , will be highly prone to early infection . |
| 3 | Such market effects may be caused by changing consumer attitudes , for instance in the UK to the wearing of fur or seal-skin clothing ; or by direct legislative interference . |
| 4 | Third , blocks may be caused by toxic substances inhibiting the function of an enzyme or enzymes . |
| 5 | Persistent leg pain may be caused by varicose veins . |
| 6 | This means that several hundred of the 40,000 deaths from lung cancer each year may be caused by passive smoking . |
| 7 | This question is as important for interests theories as it is rarely discussed , for harm to interests may be caused by remote actors . |
| 8 | Recent evidence favours the idea that inflammatory bowel disease may be caused by mesenteric vasculitis . |
| 9 | Such breaks , which occur in deep mountain valleys more often than in lowland valleys , are not always easy to interpret , as similar forms may be caused by lithological differences or by glaciation . |
| 10 | Aggression may be caused by nagging pain , which your dog is unable to express to you , and which is soothed by acupuncture . |
| 11 | Other fears may be caused by unpleasant shock or injury . |
| 12 | With this in mind , many companies give the customer the benefit of the doubt when this does not involve high cost , even though they suspect that the fault may be caused by inappropriate use of the product on the part of the customer ; for example , garden fork manufacturers may replace prematurely broken forks , even though the break may have been caused by work for which the fork was not designed . |
| 13 | Such a sub-lithospheric thermal anomaly may be generated by a mantle plume , an upwelling of hot mantle originating deep in the Earth 's interior , possibly at the core-mantle boundary ; alternatively , it may be caused by localized heating at shallower depths in the mantle . |
| 14 | Other types of mental handicap may be caused by genetic disorders , although not specifically related to chromosomes . |