Her nervousness had a profound on her ability to play the piano. it me too.

Her nervousness had a profound effect on her ability to play the piano. it affected me too.

The words effect and affect have different meanings. Here the word affect is a verb while effect is a noun. Affect implies having an impact on something while effect means to the final end or result of something.

For example, smoking affects the lungs and health.

The medicines prescribed by the doctor may have some side effects.

Learn more about verbs and nouns here:

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answer; eurasia;

answer; goals and feedback are present;