Which of the following developments has caused recent controversy between richer and poorer members of the european union?

a.
the use of the euro

b.
the cost of caring for refugees

c.
the decline in the fertility rate

d.
the use of nuclear energy

ANSWER

the use of nuclear energy

EXPLANATION:

Nuclear power is the use of nuclear reactions that release nuclear energy to generate heat, which most frequently is then used in steam turbines to produce electricity in a nuclear power plant. As a nuclear technology, nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by nuclear fission of uranium and plutonium. Nuclear decay processes are used in niche applications such as radioisotope thermometric generators. Generating electricity from fusion power remains at the focus of international research. This article mostly deals with nuclear fission power for electricity generation.This is the main controversy that is recent.

is there a year set? the question is incomplete

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