I'm srry if they are wrong, but I think it's everything EXEPT, Air os enclosed in the body of the instrument!
Realism was a reaction to romanticism
Woodrow Wilson said that.
I believe the answer would be "D"
Space- a curtain amount of mass that is empty/nothing.
space- a vast place with planets, stars and no gravity.
not sure which one you wanted.
so.. here you go
