Problem: Aristotle noted that cranes traveled from the steppes of Scythia to marshes at the headwaters of the Nile. Pliny the Elder, in his Historia Naturalis, repeats Aristotle's observations.
Where did Pliny the Elder repeat Aristotle's observations?
The answer is the following: in his Historia Naturalis


In the United States, heating, ventilation and air conditioning (HVAC) systems account for 30% (4.65 EJ/yr) of the energy used in commercial buildings and nearly 50% (10.1 EJ/yr) of the energy used in residential buildings. Solar heating, cooling and ventilation technologies can be used to offset a portion of this energy.
What can be used to balance out a portion of the energy used by HVAC systems?
Solar heating, cooling and ventilation technologies


Input: Roman Republic
In 179 BC Philip died. His talented and ambitious son, Perseus, took the throne and showed a renewed interest in conquering Greece. With her Greek allies facing a major new threat, Rome declared war on Macedonia again, starting the Third Macedonian War. Perseus initially had some success against the Romans. However, Rome responded by sending a stronger army. This second consular army decisively defeated the Macedonians at the Battle of Pydna in 168 BC and the Macedonians duly capitulated, ending the war.

How did Rome respond to their successive losses against the Macedonians?
Output: by sending a stronger army


Input: Article: In 1978, she dropped out of college and relocated to New York City. She had little money and worked as a waitress at Dunkin' Donuts and with modern dance troupes, taking classes at the Alvin Ailey American Dance Theater and eventually performing with Pear Lang Dance Theater. Madonna said of her move to New York, "It was the first time I'd ever taken a plane, the first time I'd ever gotten a taxi cab. I came here with $35 in my pocket. It was the bravest thing I'd ever done." She started to work as a backup dancer for other established artists. Madonna claimed that during a late night she was returning from a rehearsal, when a pair of men held her at knifepoint and forced her to perform fellatio. Madonna later commented that "the episode was a taste of my weakness, it showed me that I still could not save myself in spite of all the strong-girl show. I could never forget it."

Now answer this question: What did she also work as for other established artists?

Output: backup dancer


Article: Native Americans in the United States make up 0.97% to 2% of the population. In the 2010 census, 2.9 million people self-identified as Native American, Native Hawaiian, and Alaska Native alone, and 5.2 million people identified as U.S. Native Americans, either alone or in combination with one or more ethnicity or other races. 1.8 million are recognized as enrolled tribal members.[citation needed] Tribes have established their own criteria for membership, which are often based on blood quantum, lineal descent, or residency. A minority of US Native Americans live in land units called Indian reservations. Some California and Southwestern tribes, such as the Kumeyaay, Cocopa, Pascua Yaqui and Apache span both sides of the US–Mexican border. Haudenosaunee people have the legal right to freely cross the US–Canadian border. Athabascan, Tlingit, Haida, Tsimshian, Iñupiat, Blackfeet, Nakota, Cree, Anishinaabe, Huron, Lenape, Mi'kmaq, Penobscot, and Haudenosaunee, among others live in both Canada and the US.

Question: How many of the self-identified Native Americans are recognized as enrolled tribal members?
Ans: 1.8 million


Input: Botany
Unlike in higher animals, where parthenogenesis is rare, asexual reproduction may occur in plants by several different mechanisms. The formation of stem tubers in potato is one example. Particularly in arctic or alpine habitats, where opportunities for fertilisation of flowers by animals are rare, plantlets or bulbs, may develop instead of flowers, replacing sexual reproduction with asexual reproduction and giving rise to clonal populations genetically identical to the parent. This is one of several types of apomixis that occur in plants. Apomixis can also happen in a seed, producing a seed that contains an embryo genetically identical to the parent.

How different are the children produced by asexual parents?
Output:
genetically identical to the parent