You could try getting that CLR plubming stuff. I heard it works good but not off first hand experience.
Calcium is found in nature primarily in the form of compounds such as calcium carbonate (in limestone and marble), calcium sulfate (in gypsum), and calcium phosphate (in bones and teeth). It can also be found in various minerals and in seawater.
A levee is a buildup of sediment deposited along the channel of a river that keeps the river inside its banks. It acts as a natural barrier that prevents the river from overflowing and causing flooding in surrounding areas.
Saliva is the watery liquid that keeps your mouth moist. It is produced by the salivary glands and helps with digestion by breaking down food and keeping the mouth clean.
there important because without them you would see dead thing everywhere ....GROSS!!!
The parathyroid gland secretes the hormone parathormoneor parathyroid hormone (PTH).The function of PTH is to increase the concentration of calcium in the blood. It does this in three ways:increasing the release of calcium from the bonesincreasing the reabsorption of calcium from the kidney tubulesincreasing the absorption of calcium from the intestinePTH is a polypeptide hormone, made up of 84 amino acids.See the related link for more information.It is called PTH, or parathyroid hormone. It is part of the endocrine glands and to look this up i'd suggest a physiology book
no they cant calcium is what keeps are bones strong
calcium
Water
Calcium Carbonate
the mother licks the children clean
Hard water has natural ions dissolved in it. It keeps shampoo for forming suds, it forms soap scum, and it leaves calcium and other deposits in your plumbing. Soft water doesn't have these ions.
it keeps the pool clean
it keeps our air clean
Bib
garbagemen
The council usually.
it keeps your teeth clean