i would answer but you didnt inculude what the lines say.
Chemical Mixtures Tested in labs and added substances for smell
Answer:
Historically, buttresses have been used to strengthen large walls or buildings such as churches. Flying buttresses consist of an inclined beam carried on a half arch that projects from the walls of a structure to a pier which supports the weight and horizontal thrust of a roof, dome or vault.
Explanation:
Hope this helps plz give brainliest
1. staff
2. a white key
3. tell musicians how to figure the names
4. treble and bass
5. it tells you where g is
6. a b c d e f g
7. leger lines
8. bass
9.5
not sure of 10
