My Knowledge

In most parrots, if there is a line or strip between the head and the skin cap, the parrot is less than 3-4 months old. If there is no bar in this location, it means that the parrot has changed its feathers at least once. More than 3-4 months. Some parrot birds can not apply this test to determine their age, namely lutino birds, and the parrot (Albino) which has no feather marks due to a genetic mutation.

The figs are rich in both phenols and omega-6 fatty acids, which promote heart health, reduce the risk of coronary heart disease, and figs are a good source of energy. For calcium, so it can protect against osteoporosis. In fact, figs are the best vegetable source of calcium.

There are 14 known species of crocodiles in the world now living on five different continents, but the largest of these species is the so-called saltwater crocodile, which is also the largest surviving creature of the reptile group, and is the largest predator animal living on the land in the world. The length of the crocodile is usually four meters long, but its weight can reach a full ton.

Visible light is part of the electromagnetic spectrum extending from 700 nm wavelength, up to 400 nm wavelength, in other words visible light is a part of the electromagnetic wave that is generated and has all wavelengths. There are many attempts to measure the speed of light throughout history. It is logical and logical to think of the law of speed, which states that it is equal to distance divided by time, but with light, it is not that simple, it is very fast, Which is equal to (299,792,458 m / s).

Celine Beach This resort is considered one of the most beautiful coastal places overlooking the sea. It has many recreational and leisure facilities such as: chalets, swimming pools, facilities and public services of all kinds, places of practice of marine sports, etc. The location of this product is close to the capital, Hour drive. The Lagoon Resort It is a seaside resort, with many hiking spots, and is characterized by plenty of apartments, taking its name from its area. Palm Island The hotel offers a range of restaurants serving seafood and international cuisine. It also has excellent places for children's entertainment, as well as the old maritime transport, which is the history of the State of Qatar.

It is believed that the history of football originated in England, but about two thousand and five hundred years ago I played football in China, where it was known as Tsusho, and at the time they distributed prizes to the winners equivalent to them, but the loser was punished by flogging, and the ball they play is made of Skin and stuffed with hair and feathers, and the player to pay the ball to touch the nets hanging on bamboo sticks. The sport of football was also practiced in Egypt, Greece, the Roman Empire, and the country of France at the time.