John is Making a chocolate mousse cake. The recipe calls for 2 cups of chocolate, 1 stick of butter, and 5 eggs. John decides to use margarine instead of butter. What Kind of Mutation does John's version of the recipe best represent?
A. Deletion
B. Insertion
C. Substitution
D. Transition
Explain please

    c becuase the subsitution gives the mix

Explanation:

Earth has a magnetic force that is strongest at its core. Earth has a much greater mass than objects on its surface. The weight of the atmosphere pushes objects toward Earth's surface. The strength of the Sun's gravity pushes down on objects at Earth's surface.

Explanation: