Answer:
Astronomical unit
Explanation:
Short Answer: It's (au)
Long Answer:
The astronomical unit (au or AU) is defined as exactly 149,597,870,700 meters (about 93 million mi), which is roughly equal to the average distance between the Sun and Earth.
Choices 1, 2, and 4 . . . . . Yes
Choices 3 and 5 . . . . . No
The experiment that led scientists to change from the previous model to the one shown is that; the colors of light emitted from heated atoms had very specific energies.
The model of the atom showed in the image is the Bohr model of the atom. This model was the successor of the Rutherford model of the atom.
This model proposed that electrons were found in specific energy levels that has a definite value of energy.
This was arrived at after he discovered by experiments that the colors of light emitted from heated atoms had very specific energies.
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