Question: The presence of pain in an animal cannot be known for certain, but it can be inferred through physical and behavioral reactions. Specialists currently believe that all vertebrates can feel pain, and that certain invertebrates, like the octopus, might too. As for other animals, plants, or other entities, their ability to feel physical pain is at present a question beyond scientific reach, since no mechanism is known by which they could have such a feeling. In particular, there are no known nociceptors in groups such as plants, fungi, and most insects, except for instance in fruit flies.
Is there an answer to this question: No mechanism is known by which what organisms would be able to have a feeling such as pain?

Answer: plants

Question: Ashkenazi Jews represent the bulk of modern Jewry, with at least 70% of Jews worldwide (and up to 90% prior to World War II and the Holocaust). As a result of their emigration from Europe, Ashkenazim also represent the overwhelming majority of Jews in the New World continents, in countries such as the United States, Canada, Argentina, Australia, and Brazil. In France, the immigration of Jews from Algeria (Sephardim) has led them to outnumber the Ashkenazim. Only in Israel is the Jewish population representative of all groups, a melting pot independent of each group's proportion within the overall world Jewish population.
Is there an answer to this question: Which group represents at least 70% of Jews worldwide?

Answer: Ashkenazi Jews

Question: Primark continued to investigate the allegations for three years, concluding that BBC report was a fake. In 2011, following an investigation by the BBC Trust's Editorial Standards Committee, the BBC announced, "Having carefully scrutinised all of the relevant evidence, the committee concluded that, on the balance of probabilities, it was more likely than not that the Bangalore footage was not authentic." BBC subsequently apologised for faking footage, and returned the television award for investigative reporting.
Is there an answer to this question: What did they claim about the BBC report?

Answer: fake

Question: Viviparous mammals are in the subclass Theria; those living today are in the marsupial and placental infraclasses. A marsupial has a short gestation period, typically shorter than its estrous cycle, and gives birth to an undeveloped newborn that then undergoes further development; in many species, this takes place within a pouch-like sac, the marsupium, located in the front of the mother's abdomen. This is the plesyomorphic condition among viviparous mammals; the presence of epipubic bones in all non-placental mammals prevents the expansion of the torso needed for full pregnancy. Even non-placental eutherians probably reproduced this way.
Is there an answer to this question: What sub class are most placental eutherians in?

Answer:
unanswerable