41. This emergence of bread wheat occurred naturally . 42. An error occurred while writing the changes to the storage devices. 43. The first such accident occurred in 1967 . 44. An error occurred while testing archive. 45. Death may occur in very severe cases . 46. An error occurred while renaming the files. 47. How do these holes in ozone layer occur ? 48. They are typically forest insects , but do occur elsewhere also . 49. An error occurred while updating the files. 50. They occur on submerged stones under the cascading cold water .
