Answer:
Correct answer is A. Islamic calendar.
Explanation:
A is correct as this answer known as Hijra happened in 622. This year marks the period from when the Muslims started counting time.
B is not correct as Medieval period starts with the fall of Western Roman Empire.
C and D are not correct as this don't refer to the Muhammed's move from Mecca to Medina.
Answer:
The tropical rainforest biome is an ecosystem that covers 6 percent of the earth. They are found all over the earth but the majority lie in South America. Tropical rainforests are defined by their hot and wet climate. The average temperature in this area is around 75 to 80 degrees Fahrenheit.
Explanation:
hope that helped
Most likely a family and marriage therapist.
The correct answer is - Stream velocity, channel width, and depth all increase.
When a stream is faced with a sudden increase of water, than the stream is starting to increase in velocity. The velocity is becoming bigger in the lower part of the stream. As the velocity increases, it is followed by an increase in width of the stream because it starts to flood the surrounding area, and because of the much bigger amount of water it also experiences increase in depth.
Asia is generally defined as comprising the eastern four-fifths of Eurasia. It is located to the east of the Suez Canal and the Ural Mountains, and south of the Caucasus Mountains (or the Kuma–Manych Depression) and the Caspian and Black Seas.
Châu Á thường được định nghĩa là bao gồm bốn phần năm phía đông của Âu-Á. Nó nằm ở phía đông của kênh đào Suez và dãy núi Ural, và phía nam của dãy núi Caucasus (hoặc Kuma – Manych Depression) và biển Caspi và Biển Đen.
