Answer:
The nuclear fuel used in a nuclear reactor needs to have a higher concentration of the U 235 isotope than that which exists in natural uranium ore. U235 when concentrated (or "enriched") is fissionable in light-water reactors (the most common reactor design in the USA).
Explanation:
Answer: B
Explanation:
Graph 1 represents an endothermic reaction, Graph 2 represents an exothermic reaction.
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For the first one the answer is B. and the second one is D.
Answer: C. growth
Explanation: because why not
