Answer:
B. Of
Explanation:
They had good taste of music.
But I think 'in' is the best preposition.
Answer: 40000
250*8=2,000
2000*20=40000
RAM
H3PO4 is stronger than H2PO4- because
H3PO4 dissociation constant is 6.9×10^-3
H2PO4^- dissociation constant is 6.2×10^-8
I think it is A _ B_C_D