Hi there! The answer is C. barbarian raids.
Local farmers were unable to feed the Roman population during the fall of the Roman Empire because of barbarian raids. Between the 4th and 5th century, large groups of people entered the Roman Empire, which caused state failure inside the Empire. This period is called the Migration Period and preluded the Middle Ages.
Answer:
Human resources
Explanation:
et us take a closer look at why human resource is the most important resource are human resources different from other resources.
Yn lang
Ask most of the middle east
They will say "Water desalination".
Ask a survivor, he would say
"Distillation".
Answer:
A. technology can be used to overcome physical barriers and boundaries
Explanation:
The ability to dam water and use of improved transportation are clear proofs of how we can overcome physical barriers and boundaries.
- Dam water is an engineering revolution by which water can be made available all year round.
- Also, damage to the ecosystem caused by excess water is circumvented.
- Roads that are pliable are of huge important in breaching geographical imitations. A good transport system can make use of this connectivity.
- Air transportation has improved the ease of travel and reduced travel time greatly.
- Both dams and good transportation are clear engineering solutions to overcome limitations of nature.
Answer:
The origin of the aurora begins on the surface of the sun when solar activity ejects a cloud of gas.
