PLZ HALP! ;-; XC

A model skeleton is an example of
A) an analogy
B) a prototype
C) a physical model
D) a mathematical model

A limitation of a model is?
A.) Something that illustrates parts of a real-life thing.
B.) A collection of things that interact with one another.
C.) Something that makes the model better than the real-life object or system.
D.) an importany property of the real-life object or system that isn't repesented

An advantage of using a model instead of the real thing is that models?
A.) include better detail
B.) can be easier to change
C.) are much more interesting to study
D.) don't include any features of the real thing

Scientists like using models because they are often___ than real thing.
A.) more accurate
B.) more enjoyable to study
C.) cheaper and more complex
D.) cheaper and easier to work with.

The space shuttle Enterprise was a prototype because it?
A.) required complex calculations to create
B.) didn't include parts that fully functioning space shuttles had
C.) was built from a detailed drawing showing all the parts of a space shuttle
D.) compared the space shuttle with earlier spacecraft to explain what shuttles could do

The main difference between a prototype___.
A.) uses much more advanced techbology
B.) is a comparison between two different things
C.) uses complex calculations to answer a question
D.) is designsd to have some features that work like the real thing.

Some models can illustrate a system. What does the term system refer to?
A.) a collection of interacting things
B.) a set of rules or laws about things
C.) something with advantages and limitations
D.) something illustrating parts of a real-life thing.​