The waterâs temperature affects the dissolved oxygen capacity of the water. The ratio of the dissolved oxygen content to the potential capacity of the water gives the percent of saturation, which is an indicator of water quality.Since temperature fluctuates during each day and according to the seasons of the year, dissolved oxygen levels also fluctuate accordingly (Gada 2010).he ratio of the dissolved oxygen content to the potential capacity of the water gives the percent of saturation, which is an indicator of water quality. Since temperature fluctuates during each day and according to the seasons of the year, dissolved oxygen levels also fluctuate accordingly (Gada 2010).
Tailbone Pain During Pregnancy â Causes and Treatment. Tailbone Pain (Coccyx Pain, Coccydynia) Location and Symptoms. Tailbone pain is a sharp or dull pain on the end of the spine â in the lower back between the upper buttocks (Picture 1). The pain can be severe; some women describe it as a âbruised tailboneâ.
Backache during pregnancy is caused by the heavy abdomen pulling on muscles that are not normally used, and can be relieved by rest, sensible shoes, and good posture. Swelling of the feet and ankles usually is relieved by rest and by remaining off the feet for a day or two.