It is likely that similar elevated concentrations exist in lakes with similar limnology , but this is only 4 % enrichment ( 24 vs 28 ) and surface waters are usually enriched in by evaporation to an even greater extent by faster evaporation .
PRON AUX ADJ SCONJ ADJ ADJ NOUN VERB ADP NOUN ADP ADJ NOUN , CCONJ DET VERB ADV NUM NOUN NOUN ( NUM ADP NUM ) CCONJ NOUN NOUN AUX ADV VERB ADV ADP NOUN ADP DET ADV ADJ NOUN ADP ADJ NOUN .