Example sentences of "thought to have been cause [prep] " in BNC.
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1 | Sharks , killer whales , and false killer whales are believed to present some threat to dolphins - scar marks thought to have been caused by shark attack have been observed . |
2 | Similar pores have been observed also in the Z1 Carbonate of the Auk ( Brennand and van Veen 1975 ) and Claymore fields and in outcrops of Zechstein carbonates in the U.K. , where leaching is thought to have been caused by meteoric water during uplift and exposure ( Clark 1980a ) . |
3 | At first the explosions were thought to have been caused by a gas leak , but gradually the police were able to piece together evidence linking the disaster to the Weathermen , one of whom had attached a wire to the wrong terminal . |
4 | Fergie 's ill temper was thought to have been caused by an argument on the telephone with Texan pal Johnny Bryan . |
5 | The problems of all five aircraft were thought to have been caused by fuel with a low octane level . |
6 | A car and the garage in which it was parked at a house in Filey Road , Scarborough were gutted by a fire thought to have been caused by an electrical fault on the vehicle . |
7 | A car and the garage in which it was parked at a house in Filey Road , Scarborough were gutted by a fire thought to have been caused by an electrical fault on the vehicle . |