Show 1 Chameleon Lakes It Is well vu kno-vu that the wa water i- i of many lakes exhibits characteristic colors Lake Loke Geneva at nt th the w western end of Switzerland Is blue while Lake hake Constance at nt the ea eastern tern end arid of that countr country Is green ss s Implies purity since the natural color collar of water enter Is blue A preen green reen lake has Its water slightly clouded with Impurities hies It I es It Is said that green lakes lokes sometimes sometimes some some- times become absolutely colorless s for forn fora i in n a time and It bus Iteen found that this sudden change chang of hue Is due line to i ithe the washing Inlo the thiT l lakes kt s of mud colored red by oxide of or iron trot Red lied Is 10 c complementary to green greet and the result result re re- sult of the mixture Is that the green color of th the water Miler becomes tC far tor time tilDe being neutralized |