Answer: Drone Energy Sources
Batteries.
Hydrogen fuel-cells.
Petrol, Kerosene, Methanol, Ethanol, LPG Propane.
Gas-Electric Hybrids.
Solar Power
Explanation: Pick one that you can have a good understanding to .
According to the four-part typology of serial killers, the Comfort <span>serial killer kills for financial or material gain.
In general, the perpetrator of comfort serial killer came from the upper class of society. They tend to be smart and careful in their way and use a discreet killing method to avoid attention and suspicion from authority (such as using poison)</span>
i'm not really sure but i don't think the fall of nubia/kush had anything to do with being taken over by the kindom of aksum.. i may be incorrect tho!
Your too young sorry dude
The first civilizations developed in North Africa, Middle East, and South and East Asia because of the advantages that this areas offered to the people inhabiting them. The biggest advantage were the big rivers with long and wide fertile plains beside them, which enabled the people to be involved in agriculture and produce big amounts of food and even reserves. Since the food problem was solved, they were able to concentrate on other things in their spare time and started to develop architecture, sciences, philosophy, writing systems...