It’s vapor, liquid, and solid. Solid would be the word you should put instead of ice.
It was sung by Eddie Cochran.
Proportion. Proportion refers to the relative size and scale of the various elements in a design. The issue is the relationship between objects, or parts, of a whole. This means that it is necessary to discuss proportion in terms of the context or standard used to determine proportions.
It would most likely be A. Classical music was generally improvised at each live performance
A model is a three-dimensional of a person/thing or of a proposed structure.
A mock up is a model or replica of a machine or structure, used for instructional or experimental purposes.
A prototype is a first or preliminary version of a device or vehicle from which other forms are developed.