I wanna say the answer is- B.
I might be wrong,so if I am,I'm sorry
Answer:
The Sung dynasty became more democratic than it was before as the Emperor had to pay more attention to the middle class and their demands rather than that of the higher class.
Many intelligent scholars, brilliant merchants, great artists, etc. emerged from the middle class.
The middle class became more dominant in cultural and political affairs.
The distribution of wealth and prosperity witnessed a balance as it began penetrating down to even the lowest strata of society.
Explanation:
Answer:
While you may have some incandescent bulbs lying around, once they're gone, they will be gone forever. And you probably won't mourn their inefficiency; since about 90 percent of the energy produced in the bulbs is actually heat instead of light, they are huge energy wasters. While they generally last about 1,500 hours, this is still only a fraction of the lifespan of CFLs. These are lit by an electric current sent through a tube that contains argon and a small amount of mercury gases. These gases generate invisible ultraviolet light, which commingles with a fluorescent coating on the inside of the tube to produce light.
Explanation:
I REALLY HOPE THIS HELPS I'M HORRIBLE WHEN I COMES TO PROS AND CON!!!!