Which two of the followlng advances did europeans borrow from china?

European smuggled opium in China ,made China as a country of opium addicts,and earnes money. The money they earned were used to buy tea and silk .

Explanation:

x+2 because it just doubles hon so the pattern can actually tell you the expression.

so for example,

if x=2 then 2+2 is 4

if x=4 then 4+4 is 8

and so on and so forth.

i really hope that this makes sense and you out in a way hon: )