Oil vs. Water Density. Pure water is the reference point, so it has a specific gravity of 1.000. Salt is more dense than water, so seawater has a specific gravity of about 1.025, depending on the location. Crude oil density varies by location; light crude, such as that from Texas, measures at about 0.876, and heavier oils check in at 0.918.
Low blood pressure due to severe dehydration can cause symptoms that include headache, dizziness, increased heart rate or difficulty breathing. Such symptoms can worsen upon standing up or sitting up quickly and may cause you to feel unstable when you walk.
The side effects of being dehydrated involve numerous body systems and symptoms can range from mild to life threatening. Dehydration is a lot more than just not drinking enough water. The side effects of being dehydrated involve numerous body systems and symptoms can range from mild to life threatening.