You could google this, but the ratio between frequencies of one octave to the next is 2:1
A.
not a, since these civilizations were known for beautiful architecture
B.
true
C.
true, but these are not the only possible forms
D.
true (i think)
....so b and c.... and POSSIBLY d
Answer:
Preliminary sketches, complete works of art
Explanation:
Answer:
Do Ti Do Do Re Mi Mi Fa Sol Fa Mi Re Do Ti La La Sol La Ti Do
Explanation: