Free divers risk the danger of drowning while underwater, especially in areas requiring divers to descend to extreme depths. All pearl divers risk encountering dangers under the water, including sharks and other sea life. Many Australian pearl divers perished during storms that claimed the pearling boats while the divers were still on the bottom. Beyond environmental hazards, pearl divers also have to cope with the "bends," a condition caused when rapid decompression from quick surface ascent causes nitrogen bubbles to form in the bloodstream.
They died...
Albert Einstein said that the world was a dangerous place in the early 1900s. The exact date of him saying it is unknown.
Because time changed soon factors weren't so bad because their was new machinery was invented and it took less people to work them then they became less dangerous.
in late 1800s and early 1900s the industrial revolution took place
Extreme national pride and unresolved disputes, jealousies, and suspicions
Both had policies of empire-building in the Pacific in the early 1900s.
Both had policies of empire-building in the Pacific in the early 1900s.
Both had policies of empire-building in the Pacific in the early 1900s.
Germany and Great Britain were involved in a naval rivalry in the early 1900s.
buffaloes were killed near extinction in the early 1900s
Railroad tracks that were built in the early 1900s were constructed from steel. The steel was used to replace rail tracks and railway cars that were built from iron prior to the early 1900s.
in the early 1900s