Answer: Roman Empire:
Powerful Lords Broke up the empire into separate kingdoms.
Without trade, people had to find their own food and basic necessities.
Knowledge of math and science was lost
Gupta Empire:
Hunas were absorbed into the local culture.
Invaders destroyed Hindu temples.
The feudal system began as people turned to lords for protection.
Explanation for Roman Empire. Trade in Rome ceased because all of the roads were in such horrible condition that people could not travel on them. Rome had advanced knowledge of math and science but all their notes on them were mostly destroyed or lost. Rome was divided into two parts the western and eastern kingdoms.
Explanation for Gupta Empire. Hunas began invading Gupta, (Gupta Empire was strongly and mainly Hinduism) they destroyed hindu temples and took control over the Gupta empire and were absorbed into their local culture. The Gupta empire took to feudalism in order to gain protection from foreign invasion.
The correct answer is - 45 percent.
Since the clock produces 45 useful unites energy units for every 100 unites of energy that it uses, than it turns out that the efficiency of the clock is 45 percent.
Well dumping is a method, waste materials are dumped in open low labs away from the city.
It is the winter solstice. T<span>he solstice that marks the onset of winter, at the time of the shortest day, about December 22 in the northern hemisphere and June 21 in the southern hemisphere. I know this mainly because I had the same question. Good luck :)</span>
C. Australia is moving at about ~7 centimeters a year, which is about 67 millimeters.