Means heliography.

a. “air balloon”

b.“ helium"

c. “of the sun"

Monophony monophony means music with a single "part" and a "part" typically means a single vocal melody, but it could mean a single melody on an instrument of one kind or another.( just a short note ) : )hope it

Ithink that'd be 4, sorry if i'm wrong.

Fist of all, you need to learn about cad and architecture or basic engineering or architecture drawing in order to prorperly use and utilize cad programs.it's as abbreviated computer-aided-drafting. it will the user acquire skills faster since it's aided by technology