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Historically, the production of wood charcoal in locations where there is an abundance of wood dates back to a very ancient period, and generally consists of piling billets of wood on their ends so as to form a conical pile, openings being left at the bottom to admit air, with a central shaft to serve as a flue. The whole pile is covered with turf or moistened clay. The firing is begun at the bottom of the flue, and gradually spreads outwards and upwards. The success of the operation depends upon the rate of the combustion. Under average conditions, 100 parts of wood yield about 60 parts by volume, or 25 parts by weight, of charcoal; small-scale production on the spot often yields only about 50%, while large-scale became efficient to about 90% even by the seventeenth century. The modern process of carbonizing wood, either in small pieces or as sawdust in cast iron retorts, is extensively practiced where wood is scarce, and also for the recovery of valuable byproducts (wood spirit, pyroligneous acid, wood tar), which the process permits. The information given, if accurate, most strongly supports which of the following?
The question given below consists of a statement, followed by three arguments numbered I, II and III. You have to decide which of the arguments is/are ‘strong' arguments and which is/are ‘weak' arguments and accordingly choose your answer from the alternatives given below each question. Statement: The United States has launched what China calls the ‘largest trade war in economic history' and in its latest move targeted another $200 billion in Chinese export goods. The US-China spat is one of several trade fights picked by the protectionist President Donald Trump as his ‘America First' agenda disrupts trade relations among traditional allies. The growing share of international trade under threat has raised the prospect the escalating trade war could harm the global economy, shrinking investments and undermining supply chains. Why? Arguments: I. Several companies - including Total and Peugeot of France, and Russia's Lukoil - have said they are preparing to exit Iran ahead of US deadlines, the last of which is November 4. II. Trump argued the original deal from 2012 was lopsided in Seoul's favour but has also clouded the issue by appearing to link trade concessions to progress in his separate track of talks with nuclear-armed North Korea. III. Meanwhile, talks among the three NAFTA (North American Free Trade Agreement) signatories, launched after Trump demanded an overhaul of the ‘terrible deal', have snagged notably owing to the US demands to increase American content installed in duty-free autos.