Read the text and answer the question!
Nuclear power is the controlled use of nuclear energy. Nuclear energy is energy in uranium that can be released by nuclear reaction in a machine is called a nuclear reactor. This energy is made into electricity, which can be used to power machine and heat home. 14% of the world’s electricity came from nuclear power. But, the use of nuclear power cause some hazard.
There are three separate sources of hazard in the process of supplying energy by nuclear power. First, the radioactive material must travel from its place of manufacture at the power station. Although the power stations themselves are solidly built, the containers used for the transport of the materials are not. There the normally only two methods of transport available, namely road or rail. Unfortunately, both of these involve close contact with the general public, since the routes are sure to pass near, or even thought, heavily populated areas.
Next, there is the problem of waste. All nuclear power station produced wastes that in most cases will remain radioactive for thousands of years. It is impossible to make these wastes non-radioactive, and so they must be stored in one of the inconvenient ways that scientist have invited. For example they may be buried under ground, or dropped into abandoned mines, or sunk in the sea. However, these methods do not solve the problem, since an earthquake could easily crack the containers open.
Finally, there is the problem of accidental exposure due to a leak or an explosion at the power station. As with the other two hazards, this is not every likely, so it does not provide a serious objection to the nuclear program. Nevertheless, it can happen.
Separately, these there types of risks are not a great cause for concern. On the whole though, the probability of disaster is still high.
"On the whole though, the probability of disaster is still high."
The synonym of the underlined word above is ....
Mahasiswa/Alumni Universitas Negeri Medan
Soal ini menanyakan sinonim dari kata "whole".
Kata "whole" berarti "keseluruhan" yang dalam bahasa Inggris juga disebut "all".
Oleh karena itu, jawaban yang paling tepat adalah A.
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