Find the value ofx in the following reaction by determining the number of neutrons released when Plutonium-239 absorbs a
neutron and undergoes fission.
9Pu+ hn→ Ce +Kr tzhn
X=
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Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals