Sentence Correction (SC) | The Mars Exploration Program

IMO D

As established by the Mars Exploration Program, the main scientific goals of the MSL mission are to help to determine whether Mars could ever have supported life, as well as determining the role of water, and to study the climate and geology of Mars

To help is followed by the infinitive 'to determine' and the participle 'determining' in parallel, connected together through 'as well as'.

'To help' and 'to study' are also parallel after the helping verb 'are'.

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