For the history part on your question: Africa was the first continent outside of Asia that Islam spread into, in the early 7th century. It first came to Africa with Muslim refugees fleeing persecution in the Arab peninsula. This was followed by a military invasion, some seven years after the death of the prophet. Islam quickly spread west from Alexandria to pockets in Egypt, Nubia and Ethiopia.
For the impact part of your question: After the death of the Prophet, 100 years after, between the 8th and 9th centuries Arab traders and travelers began to spread the religion along the eastern coast of Africa. So, Islam impacted the continent very greatly, from the establishment of mosques to many other different factors.
I hope I helped. I just kind of did a really brief summary over what I believed was the answer. Anyway, I tried to answer your question to the best of my ability and knowledge. I'm sorry if this was not what you were looking, but I feel you can take a little something from this brief answer. Have a nice day and hope it helps :)
The correct answer is - Eurasian and North American plates.
The Eurasian tectonic plate and the North American tectonic plate meet at the far east of Russia. In fact, the easternmost part of Russia actually belongs to the North American tectonic plate, and the boundary between these two plates is on land, not on water, like the political boundary between them. Because of this boundary, in the eastern part of Russia there's highlands that have formed because of the pressure, as the North American plate is moving slowly towards the Eurasian plate.
The answer to the question about matching the zone to its characteristics is shown below:
A. Intertropical convergence zone ---> Heavy precipitation, little wind
B. Two wind systems originate here -----> Horse latitude
C. Subpolar low ---> Convergence of westerlies and polar easterlies
The answer is C.15, USSR broke into 15 republics including Russia itself.
