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097. Beyond a depth of around 2,900 kilometers, a great change takes place and the  mantle gives way to the core. Some seismic waves cannot pass through the core and  others are bent by it. From this and other evidence, geologists conclude that the outer core  is probably liquid, with a solid center. It is almost certainly made of iron, mixed with smaller  amount of other elements such as nickel. The phrase "gives way to" is closest in  meaning to which of following?