tract as in the dolichosaurs, are also noticeable in the aigialosaurs, though to a weaker extent; but what the aigialosaurs always lack is the deflection or folding-over of the tail which is common in the dolichosaurs.
Sodium chloride is an ionic compound that is produced by the bonding of sodium cations to chloride anions. This salt dissolves readily in water and forms crystals when in solid form. Uses of sodium chloride can be both commercial and biological.
Ancient method of boiling brine into pure salt in China. Salt, NaCl, is an ionic compound made of sodium and chloride ions which has been exceptionally important to humans for thousands of years, because it is one of the substances upon which all of life evolved to depend.