I wonder whether there would be also other options, but one very important aspect is the smog: the city center is where many industry-relevant things meet: the factories are all around it, transport, cars... and since it is surrounded by bad air, the air takes longer to dissipate. This is especially visible if the city is in a valley, such as Mexico city foe example.
Answer:
B. BCE and AD
Explanation:
"Before Common Era" or Before Christ was born
"Anno Domini" or After Christ was born
Answer:
circle sad for glum, little for tiny, false for wrong, finish for end, above for over, and difficult for hard
Answer:
b
Explanation:he is good man he give free talk ima =rights
