Article: For example, consider electronpositron annihilation, in which the rest mass of individual particles is destroyed, but the inertia equivalent of the system of the two particles (its invariant mass) remains (since all energy is associated with mass), and this inertia and invariant mass is carried off by photons which individually are massless, but as a system retain their mass. This is a reversible process the inverse process is called pair creation in which the rest mass of particles is created from energy of two (or more) annihilating photons. In this system the matter (electrons and positrons) is destroyed and changed to non-matter energy (the photons). However, the total system mass and energy do not change during this interaction.

Question: What is the inverse process called?
Ans: pair creation

Article: Prompted by the chaotic torch relays in Western Europe and North America, the president of the International Olympic Committee, Jacques Rogge described the situation as a "crisis" for the organization and stated that any athletes displaying Tibetan flags at Olympic venues could be expelled from the games. though he stopped short of cancelling the relay altogether despite calls to do so by some IOC members. The outcome of the relay influenced the IOC's decision to scrap global relays in future editions of the games.

Question: Who asked that the torch relay be ended?
Ans: IOC members.

Article: At the other extreme mountainous regions can be windy, cold, and areas at elevation of 750 meters or more (same elevation as Jerusalem) will usually receive at least one snowfall each year. From May to September, rain in Israel is rare. With scarce water resources, Israel has developed various water-saving technologies, including drip irrigation. Israelis also take advantage of the considerable sunlight available for solar energy, making Israel the leading nation in solar energy use per capita (practically every house uses solar panels for water heating).

Question: Who leads the nation in solar energy use?
Ans: Israel

Article: Korolev's lunar landing program was designated N1/L3, for its N1 superbooster and a more advanced Soyuz 7K-L3 spacecraft, also known as the lunar orbital module ("Lunniy Orbitalny Korabl", LOK), with a crew of two. A separate lunar lander ("Lunniy Korabl", LK), would carry a single cosmonaut to the lunar surface.

Question: The "Lunniy Korabl" or "LK" would carry how many people?
Ans:
N1