Give two reasons why mobile internet may not be available everywhere.

Mobile Internet is dependant on cellular signal. Many countries, e.g. in Africa, don't have any coverage at all. Furthermore, mobile data might also not be available in the mountains as there are no cell towers and the rough terrain usually either blocks the signal entirely or weakens it significantly.

try a gofundme or ask your family for money slowly and slowly then save it or do trades on craigslist. that's all i know

create an interactive presentation of ms powerpoint or any other presentation software in which define the product's characteristics, benefits, why people consider it, etc.