query: લોકો પ્રાચીન સમયથી સોના, ચાંદી અને તાંબા જેવા મૂળભૂત રાસાયણિક તત્વો વિશે જાણે છે, કારણ કે આ બધું મૂળ સ્વરૂપે પ્રકૃતિમાંથી મળી આવે છે અને તે આદિમ સાધનો સાથે ખોદકામ કરવું પ્રમાણમાં સરળ હોય છે.
positive: People have known about basic chemical elements such as gold, silver, and copper from antiquity, as these can all be discovered in nature in native form and are relatively simple to mine with primitive tools.
negative: People have known about basic chemical elements such as gold, silver, and copper from antiquity, as these will all be discovered in nature in native form and are relatively simple to mine with primitive tools. People have known about incidental chemical elements such as gold, silver, and copper from antiquity, as these can all be discovered in nature in foreign form and are relatively complex to mine with primitive tools. People have not known about basic chemical elements such as gold, silver, and copper from antiquity, as these can all be discovered in nature in native form and are relatively simple to mine with primitive tools.