The Cretaceous-Tertiary extinction event , the name given to the die off dinosaurs, they all died off about 65.5 million years ago . They died by climate and geological changes .
C is the correct answer for this question. since it is a physical change
The molecular polarity of the sun is the dipoole separation of electric charge leading to a molecule in the sun.
<h3>What is molecular polarity?</h3>
Molecular polarity simply refers to those regions of molecules containing or possessing positive and negative charge
So therefore, the molecular polarity of the sun is the separation of electric charge leading to a molecule in the sun.
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1 and 2 is the correct answer you want