thE Author writEs oF thE DEvElopmEnt oF gEology to DEmonstrAtE ______. A.thE proCEss oF spECiAlisAtion AnD proFEssionAlisAtion B.thE hArDship oF AmAtEurs in sCiEntiFiC stuDy C.thE ChAngE oF poliCEs in sCiEntiFiC puBliCAtions D.thE DisCriminAtion oF proFEssionAls AgAinst AmAtEurs