Calcium + nitrous acid → calcium nitrite
+
nitrogen monoxide
+ water

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

a