Well which book because I have read many and havent heard of this one and would love to help you!
Mistakes are a key part of discovery. If we didn't make mistakes we would never know the difference between right and wrong whether it is in science or in life. How would we know how the world worked without mistaken theories and learning off of those to create a correct understanding of the world around us. If we didn't make mistakes with the people we know and care for then we wouldn't have created the definition of the golden rule. Mistakes are the key to discovery in so many things. There is so much unknown but with our mistakes, we will be able to find out so much more
Answer:
A career ladder is a system where people can advance to higher levels of responsibility and compensation.
Explanation:
Effective commentary is simply giving an opinion or an interpretation, analysis, or evaluation about details of an essay. It is simply making a point of what you read.
The sentence that is an example of effective commentary on the evidence used in the paragraph is option A because they gave their opinion on what a career ladder is; which is a system where people can advance to higher levels of responsibility and compensation.
