Here, according to Dr. Rabovsky, are eight causes of a metallic taste in your mouth. Poor oral hygiene â If you donât brush and floss regularly, the result can be teeth and gum problems such as gingivitis, periodontitis and tooth infection. These infections can be cleared up with a prescription from your dentist.
Noun. 1. delta-a low triangular area of alluvial deposits where a river divides before entering a larger body of water; the Mississippi River delta; the Nile delta. alluvial deposit, alluvial sediment, alluvium, alluvion-clay or silt or gravel carried by rushing streams and deposited where the stream slows down.
  A delta and the Nile River Delta is one of the world's largest river deltas and covers some 240 km of Mediterranean coastline. It is a rich agricultural region and from â¦ north to south the delta is approximately 160 km in length.he Nile River was formed by water constantly on top of the ground. it created a ditch and the water filled it up, but to be more specific, the Nile River was formed by the Bl â¦ ue Nile and the White Nile.