Quick Question: By the guidelines set down by the Selective Service Act, all males aged 21 to 30 were required to register for military service. At the request of the War Department, Congress amended the law in August 1918 to expand the age range to include all men 18 to 45, and to bar further volunteering. By the end of World War I, some 2 million men volunteered for various branches of the armed services, and some 2.8 million had been drafted. This meant that more than half of the almost 4.8 million Americans who served in the armed forces were drafted. Due to the effort to incite a patriotic attitude, the World War I draft had a high success rate, with fewer than 350,000 men" dodging" the draft.

Answer this question based on the passage: whom did the selective service act of 1917 authorize the armed forces to conscript?
My answer: This is the relevant information: By the guidelines set down by the Selective Service Act, all males aged 21 to 30 were required to register for military service. The answer is all males aged 21 to 30.

Quick Question: Context: "My Heart Will Go On," also called the "Love Theme from Titanic," is the main theme song to James Cameron's blockbuster film Titanic. Its music was composed by James Horner, its lyrics were written by Will Jennings, and it was produced by Walter Afanasieff and Simon Franglen, recorded by Celine Dion, and released in 1997.

Question: who sang the song my heart will go on?
My answer: The relevant information to answer the above question is: Its music was composed by James Horner, its lyrics were written by Will Jennings, and it was produced by Walter Afanasieff and Simon Franglen, recorded by Celine Dion, and released in 1997. The answer is Celine Dion.

Quick Question: Passage: Tourism in Iceland has grown considerably in economic significance in the past 15 years. As of 2016, the tourism industry is estimated to contribute about 10 percent to the Icelandic GDP; the number of foreign visitors is set to exceed 2,000,000 by the end of 2017; tourism is responsible for a share of nearly 30 percent of the country's export revenue.

Question: Based on this passage, how much impact does the tourist industry have on the icelandic economy?
My answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
To answer the above question, the relevant sentence is: As of 2016, the tourism industry is estimated to contribute about 10 percent to the Icelandic GDP; the number of foreign visitors is set to exceed 2,000,000 by the end of 2017; tourism is responsible for a share of nearly 30 percent of the country's export revenue. The answer is about 10 percent to the Icelandic GDP ; the number of foreign visitors is set to exceed 2,000,000 by the end of 2017 ; tourism is responsible for a share of nearly 30 percent of the country 's export revenue.