Answer:
The correct answer is option c. transfer of electrons from Mg to O.
Explanation:
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When Magnesium (Mg) reacts with oxygen (O), magnesium oxide is formed.
This reaction is spontaneous and occurs with oxidation number +2 of magnesium and oxidation number -2 of oxygen. It is an ionic union, so magnesium transfers its electrons to oxygen.
We conclude that the correct answer is option c. transfer of electrons from Mg to O.
Oxygen has 8 electrons it takes 2 electrons to get config of neon and 2 electros mean -2 charge
The first major contributor to the Sun's apparent motion is the fact that Earth orbits the Sun while tilted on its axis. The Earth's axial tilt of approximately 23.5° ensures that observers at different locations will see the Sun reach higher-or-lower positions above the horizon throughout the year.
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I would say letter D.
A is biology.
Ecology has to do with distribution of animals.