Arabic and Geography both subjects are highly scoring. But, I am really amazed that what compels you to go with Arabic while you do not have even read Qura'an Nazra! In fact, you have to write a short essay in Arabic paper in which your potential in Arabic will be tested which must be a headache/hard nut to crack for you. I would advise you to put Arabic at side and go with Geography. Best of luck!

Regards.

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"Nay! man is evidence against himself. Though he puts forth his excuses." Holy Qur'an (75:14-15)