Problem: Please answer a question about the following article about Biodiversity:
A 2007 study conducted by the National Science Foundation found that biodiversity and genetic diversity are codependentthat diversity among species requires diversity within a species, and vice versa. "If any one type is removed from the system, the cycle can break down, and the community becomes dominated by a single species." At present, the most threatened ecosystems are found in fresh water, according to the Millennium Ecosystem Assessment 2005, which was confirmed by the "Freshwater Animal Diversity Assessment", organised by the biodiversity platform, and the French Institut de recherche pour le developpement (MNHNP).
Who conducted the 2007 study?
A: National Science Foundation
Problem: Please answer a question about the following article about Greece:
In the aftermath of the First World War, Greece attempted further expansion into Asia Minor, a region with a large native Greek population at the time, but was defeated in the Greco-Turkish War of 19191922, contributing to a massive flight of Asia Minor Greeks. These events overlapped, with both happening during the Greek genocide (1914-1922), a period during which, according to various sources, Ottoman and Turkish officials contributed to the death of several hundred thousand Asia Minor Greeks. The resultant Greek exodus from Asia Minor was made permanent, and expanded, in an official Population exchange between Greece and Turkey. The exchange was part of the terms of the Treaty of Lausanne which ended the war.
Who caused the deaths of thousands of Greeks?
A: Ottoman and Turkish officials
Problem: Please answer a question about the following article about Light-emitting diode:
White LEDs can also be made by coating near-ultraviolet (NUV) LEDs with a mixture of high-efficiency europium-based phosphors that emit red and blue, plus copper and aluminium-doped zinc sulfide (ZnS:Cu, Al) that emits green. This is a method analogous to the way fluorescent lamps work. This method is less efficient than blue LEDs with YAG:Ce phosphor, as the Stokes shift is larger, so more energy is converted to heat, but yields light with better spectral characteristics, which render color better. Due to the higher radiative output of the ultraviolet LEDs than of the blue ones, both methods offer comparable brightness. A concern is that UV light may leak from a malfunctioning light source and cause harm to human eyes or skin.
What device also works in a similar way as NUV LEDs?
A: fluorescent lamps
Problem: Please answer a question about the following article about Separation of powers under the United States Constitution:
Congress often writes legislation to restrain executive officials to the performance of their duties, as laid out by the laws Congress passes. In INS v. Chadha (1983), the Supreme Court decided (a) The prescription for legislative action in Art. I, 1requiring all legislative powers to be vested in a Congress consisting of a Senate and a House of Representativesand 7requiring every bill passed by the House and Senate, before becoming law, to be presented to the president, and, if he disapproves, to be repassed by two-thirds of the Senate and Houserepresents the Framers' decision that the legislative power of the Federal Government be exercised in accord with a single, finely wrought and exhaustively considered procedure. This procedure is an integral part of the constitutional design for the separation of powers. Further rulings clarified the case; even both Houses acting together cannot override Executive vetos without a 23 majority. Legislation may always prescribe regulations governing executive officers.
By what margin can congress over ride a Presidential veto?
A:
two-thirds