Identify the following as physical (P) or chemical (C) changes.

Where are the questions you want us to identify for you

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.