Article: The first satellite, BeiDou-1A, was launched on 30 October 2000, followed by BeiDou-1B on 20 December 2000. The third satellite, BeiDou-1C (a backup satellite), was put into orbit on 25 May 2003. The successful launch of BeiDou-1C also meant the establishment of the BeiDou-1 navigation system.

Question: What was the name of the third satellite launched for the system?
Ans: BeiDou-1C

Here is a question about this article: Kolmas writes that, as the Mongol presence in Tibet increased, culminating in the conquest of Tibet by a Mongol leader in 1642, the Ming emperors "viewed with apparent unconcern these developments in Tibet." He adds that the Ming court's lack of concern for Tibet was one of the reasons why the Mongols pounced on the chance to reclaim their old vassal of Tibet and "fill once more the political vacuum in that country." On the mass Mongol conversion to Tibetan Buddhism under Altan Khan, Laird writes that "the Chinese watched these developments with interest, though few Chinese ever became devout Tibetan Buddhists."
What is the answer to this question: Who's presence increased in Tibet?
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So... the Mongols

The problem: Answer a question about this article:
In the original city plan, the interstate buses should also stop at the Central Station. Because of the growth of Brasilia (and corresponding growth in the bus fleet), today the interstate buses leave from the older interstate station (called Rodoferroviaria), located at the western end of the Eixo Monumental. The Central Bus Station also contains a main metro station. A new bus station was opened in July 2010. It is on Saida Sul (South Exit) near Parkshopping Mall and with its metro station, and it's also an inter-state bus station, used only to leave the Federal District.
Where is the older interstate bus station?
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The answer: the western end of the Eixo Monumental

Problem: Please answer a question about the following article about Adult contemporary music:
With the mixture of radio friendly AC tunes with some rock and pop fare also landing on the pop charts, mainstream songs won over many critics in the need to define AC, and appeared to change the tolerance and acceptance of AC music into mainstream day to day radio play. Part of the reason why more and more hot AC stations are forced to change is that less and less new music fits their bill; most new rock is too alternative for mainstream radio and most new pop is now influenced heavily by dance-pop and electronic dance music.
Who have hot AC format radio stations had to change the music they play?
A: less and less new music fits their bill

Question: Read this and answer the question

Agriculture in Portugal is based on small to medium-sized family-owned dispersed units. However, the sector also includes larger scale intensive farming export-oriented agrobusinesses backed by companies (like Grupo RAR's Vitacress, Sovena, Lactogal, Vale da Rosa, Companhia das Lezirias and Valouro). The country produces a wide variety of crops and livestock products, including tomatoes, citrus, green vegetables, rice, corn, barley, olives, oilseeds, nuts, cherries, bilberry, table grapes, edible mushrooms, dairy products, poultry and beef.

What types of companies back more large scale, export-oriented agrobusinesses in Portugal?
Answer: Grupo RAR's Vitacress, Sovena, Lactogal, Vale da Rosa, Companhia das Lezirias and Valouro

There are several invertebrate species whose brains have been studied intensively because they have properties that make them convenient for experimental work:
Which brains are easier to work on, vertebrates or invertebrates?
invertebrate