Why was trade the primary economic activity in Arabia

The Arabian Peninsula is situated between the Arabian Sea (Indian Ocean) and the Mediterrnen Sea. As there was no sea connection, trade routes criss crossed the Peninsula and imporant trding ports sprang up all along the perifery. This was the primary economic activity for centuries, involvement in trade or raiding those involved in trade. With the Islamic outburst, Arabs seized control of a vast empire (7th century).

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answer: nope

explanation: because theirs barely anyone on here to you. but let me see the question. maybe i can , if i know the answer!

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.