Measurement of a physical property does not change the identity of the substance; however, measurement of a
chemical property occurs as the identity of the substance
changes.

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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no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;