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11. Palladium, a soft shiny silvery-white metal, is one of six platinum group metals and is relatively rare. It was discovered in 1803 by William Hyde Wollaston. Palladium often replaces platinum since it is cheaper, harder and lighter. It can be drawn into wire or hammered out into sheets, it is often mixed with gold for “white gold” jewelry. Palladium can also be used to make surgical instruments. Automobile manufacturers need the world’s palladium for catalytic converters. Along with gold, silver, and platinum, palladium is a precious metal owned and traded by investors.
Palladium mining is an intricate process because it is spread out under the earth’s surface. Mining palladium uses mechanical extraction methods that simplify the process. Makes it easier to get down into the Earth’s crust. The reserves in the upper portions of the crust is becoming depleted, so miners have to dig deeper. Most palladium is in Russian, North America, South Africa, and South America. The largest North American palladium mine - Montana’s Stillwater mine - is located in the United States. In South Africa, there is the largest proportion of palladium and platinum resource located mainly at the Bushveld Igeneous Complex.
What is the most likely reason palladium is owned and traded by investors?
12. Palladium, a soft shiny silvery-white metal, is one of six platinum group metals and is relatively rare. It was discovered in 1803 by William Hyde Wollaston. Palladium often replaces platinum since it is cheaper, harder and lighter. It can be drawn into wire or hammered out into sheets, it is often mixed with gold for “white gold” jewelry. Palladium can also be used to make surgical instruments. Automobile manufacturers need the world’s palladium for catalytic converters. Along with gold, silver, and platinum, palladium is a precious metal owned and traded by investors.
Which question is most effectively answered by this passage?
13. Palladium, a soft shiny silvery-white metal, is one of six platinum group metals and is relatively rare. It was discovered in 1803 by William Hyde Wollaston. Palladium often replaces platinum since it is cheaper, harder and lighter. It can be drawn into wire or hammered out into sheets, it is often mixed with gold for “white gold” jewelry. Palladium can also be used to make surgical instruments. Automobile manufacturers need the world’s palladium for catalytic converters. Along with gold, silver, and platinum, palladium is a precious metal owned and traded by investors.
Which is a valid comparison supported by this passage?
14. "The California Right to Know Genetically Modified Food Act” known as Proposition 37 will require food manufacturers to label food with genetically modified ingredients (GMOs). If the bill passes, it will be the first law in the United States that required GMO labeling. Some European countries already mandate GMO labeling, but efforts to pass legislation in the United States have met resistance. Over a dozen other states have failed to pass proposed labeling laws. Food manufacturer argue that the bill is unnecessary because GMO are safe. They believe labeling will drive up food costs and will confuse consumers. Proponents of the legislation assert that consumers have a right to know what is in their food. Corporations that produce genetically modified foods point to hundreds of studies that show that they are safe. California voters will soon make a choice about GMO foods labels, and both sides are spending millions of dollars to influence their decisions. The result of the ballot initiative will reverberate throughout the nation.
15. "The California Right to Know Genetically Modified Food Act” known as Proposition 37 will require food manufacturers to label food with genetically modified ingredients (GMOs). If the bill passes, it will be the first law in the United States that required GMO labeling. Some European countries already mandate GMO labeling, but efforts to pass legislation in the United States have met resistance. Over a dozen other states have failed to pass proposed labeling laws. Food manufacturer argue that the bill is unnecessary because GMO are safe. They believe labeling will drive up food costs and will confuse consumers. Proponents of the legislation assert that consumers have a right to know what is in their food.
If Proposition 37 is passed, what consequence might consumers encounter?