During the tang dynasty china population was about 60 million during the song the farmers of china fed a counrty of more than 100 million people

B) AGRICULTURAL ADVANCES, SUCH AS FAST-RIPENING RICE AND THE CULTIVATION OF MORE LAND, MADE FOOD PLENTIFUL

I hope this helps!

- sincerelynini

heyo, whats up

when you sing louad enough the vibration of you voice is able to shatter glass so yes vibration is your answer

if this mark brainliest i wolud be happy and have a great day you!