Sentence Correction

2 more..any reasoning behind these is appreciated..

HI,

In the First question first option may be right because they are parallel..
"removal of .... and clearing of"

Please correct me if i am wrong

Regards,
Vignesh

Hi,

For the second question, the later part of the sentence says "the solar systems largest planet". This has to be preceeded by the planet jupiter and not by the mass of jupiter i guess. so B and E are out.

option D does not have a proper construction.

between A and C i would choose A because C has "estimated at" which is not the proper idiom. The right idiom should be estimated to. So A stays

Regards
Vignesh

thanks - both of those replies make sense.

one further question..

Is the idiom not "estimate to be", similar to "believe to be"?

Thanks again...

Similar in what sense ?
They both dont mean the same.

Regards,
Vignesh