what causes due to Chromium as a contaminant in drinking water in excess of permissible levels
no the water levels those not stead the same
The recession does.
High levels of nitrates.
Yes. Hard water is more alkaline than soft water.
Different water temperatures
Different solutions have different pH levels. A solution can either be acidic or bascic, but water i niether, it is nuetral.
Evaporation causes water levels to fall as water turns to steam and evaporates into the air.
The reason the water levels in the various manometer tubes are different is because of the difference in pressure. A manometer is used to measure the pressure between two different systems.
It helps move from different levels of water
Swim bladder
Different salt concentrations.