Answer:
the first one is the most correct
Answer:
uhhh if you look it up it says
"the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
'the world of science and technology'"
so yeah-
<span>The Battle of the Marne the Germans and the Allied troops started to build trenches from the North Sea to the Swiss frontier of France. This battle stopped the Germans from going through Belgium to get to France. They started digging the trenches on the Western Front on both sides starting on Sept 15, 1914
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