Hi Aris,
Thanks for posting your doubt here.
Choice E is incorrect because there is no grammatical or logical antecedent for the pronoun phrasethat of . Please note that that the subject pronounit in the second independent clause in this choice already stands forThe energy source on Voyager 2 . It is enough to say:
The energy source on Voyager 2 is not a nuclear reactor; it is a kind of nuclear battery.
There is absolutely
...
Thanks for posting your doubt here.
Choice E is incorrect because there is no grammatical or logical antecedent for the pronoun phrasethat of . Please note that that the subject pronounit in the second independent clause in this choice already stands forThe energy source on Voyager 2 . It is enough to say:
The energy source on Voyager 2 is not a nuclear reactor; it is a kind of nuclear battery.
There is absolutely
...





