Preformed water (ingested in food and drink) and metabolic water (by product of aerobic respiration and dehydration synthesis)
Answer:
Explanation:
Paleontologists are scientists that use fossil records to study the history of life on earth. They use known evidence/fossils such as bones, prints (on land or sea), dead remains to determine evidence and history of past life on earth.
Some of there observations include the use of comparative anatomy to determine possible evolution. They also use carbon dating to determine approximately how long a fossil/bone has been in existence.
All cells have a nucleus :)
About 1027 kg/m^3. <span>The density of pure water is </span><span>1000 kg/m3</span><span>. Ocean water is more dense because of the salt in it. Density of ocean water at the sea surface is </span><span>about 1027 kg/m3</span><span>. There are two main factors that make ocean water more or less dense than </span><span>about 1027 kg/m3</span><span>: the temperature of the water and the salinity of the water</span>