Answer:
B) Have I convinced you that the study of grammar is important and well worth your effort?
Explanation:
I believe it would (peaked/world class)
Answer:
Effect is the right answer.
Explanation:
Cause - a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect:
Effect - something that is produced by an agency or cause; result; consequence.
