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.
Answer:
c.
by spending every day outside studying how light falls on objects
or
a.
by painting the same subject over and over in different types of light
if you only get to use one notecard, I would say just the source information but if you get more than one then do one or two facts or thoughts per notecard:3
