To remove magnesium oxide layer from the ribbon which may prevent or slow down the burning of magnesium ribbon.
The answer is b.
Hope that helps :)
The hydrophobic effect is caused by nonpolar molecules clumping together. Large macromolecules can have hydrophobic sections, which will fold the molecule so they can be close to each other, away from water. Many amino acids in proteins are hydrophobic, helping the proteins obtain their complicated shapes. The hydrophobic effect extends to organisms, as many hydrophobic molecules on the surface of an organisms help them regulate the amount of water and nutrients in their systems.
The best and most correct answer among the choices provided by your question is all of the above.
All of the choices given are the best ways to explain a nuclear reaction.
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