It has blue color stripe.
A mooring buoy is a thing which floats on the surface of the water and is anchored to the bottom to which you can tie up your boat. They are used for securing boats without an anchor. A permanent mooring system when properly designed should securely position a boat so that it can be left unattended, with little attention for a long periods of time.
Answer:
Evolution
Explanation
change in the frequency of alleles within a gene pool from one generation to the next. When changes is noticeable as the production increases, it is called Evolution.
Numismatics is the study or collecting of coins medals and paper money.