Question

In the following sentence, some part of the sentence or the entire sentence is underlined. Beneath sentence, you will find four ways of phrasing the underlined part. Choose the most appropriate option given in the sentence given below that is the best version than the underlined part of the sentence.
Two valence states of uranium, one with a deficit of four electrons and the other one with a deficit of six occurs in nature and contributes to the diversity of uranium’s behaviour.

Options

• the other one a deficit of six, occur in Nature and contribute 

• the other with a deficit of six, occur in Nature and contribute 

• the other with a deficit of six, occurs in Nature and contributes

• one with six occurs in Nature and contributes

Answer 1

Two valence states of uranium, one with a deficit of four electrons and the other with a deficit of six, occur in nature and contribute to the diversity of uranium's behaviour.