I would either say a smartphone or gaming console because that’s where people spend allot of time at, and entertain themselves with. People also communicate with each other through gaming headsets and text messages.
I think either Islam or Arab.
It's Muhammad.
The lowest surface air temperature in the S. Hemisphere happens in July.
If a country is isolated, it will have to produce everything that it needs: especially food clothes and medicine. It won't be able to specialize, but it will have to focus on satisfying the needs of the people.
If it is not isolated, it can specialize in the things that it can produce the best and fastest, and hope to exchange it for the things that it can't produce.
The presence of a mountain range could isolate the gene pool of the species which would likely change or mutate characteristics may arise in the species. <span />