In that only 10% of the 33% of the rocks contain fossils. Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains.n that only 10% of the 33% of the rocks contain fossils. Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains.
Sodium erythorbate (C 6 H 7 NaO 6) is a food additive used predominantly in meats, poultry, and soft drinks.Chemically, it is the sodium salt of erythorbic acid.When used in processed meat such as hot dogs and beef sticks, it increases the rate at which nitrite reduces to nitric oxide, thus facilitating a faster cure and retaining the pink coloring.n urban myth claims that sodium erythorbate is made from ground earthworms; however, there is no truth to the myth. It is thought that the genesis of the legend comes from the similarity of the chemical name to the words earthworm and bait.
Thatâs why it is sometimes used as an indicator of excess sodium intake 1  ! Urea: Urea is the major waste resulting from protein metabolism, accounting for about half of total urinary wastes. 2  Most of the urea is eliminated through urine, and thus the amount of urea in the urine is often used as a marker of protein intake. Most of the urea is eliminated through urine, and thus the amount of urea in the urine is often used as a marker of protein intake. 2  Sodium: Sodium is an essential mineral, coming exclusively from food. 3  It has a key role in maintaining body fluid volume.