First of all give ur mind a peace full moment, don't stress, take a book from which u can learn paragraphs ...don't overthink and there shouldn't be noise, eat an a fruits while learning cuz while eating fruits ur mind gains vitamins and can help u get better at Remembering (hope it helps)
very unsafe working conditions, breathing bad fumes, working super long hours for little pay, working with dangerous machinery.
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The mathematicians of ancient Greece made a hugely significant contribution to world thought and all practical subjects which depend on that intellectual basis, from geometry to engineering, astronomy to design. Influenced initially by the Egyptians, Greek mathematicians would push on to make breakthroughs such as Pythagoras' theory of right-angled triangles.
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