What does the proverb a leopard doesn't change it's spots mean

Which questions must be considered when evaluating the effectiveness of an argument? select four options. is there empirical evidence in the argument? is there reliable evidence to support the reasons? are there logical reasons to believe the claim? is the author’s claim clear to the reader? does the author’s diction affect the reader as intended?

Read the following claim. people likely will continue making new year's resolutions despite often being unable to follow through on them. which selection from the article provides the best support for this statement?

What is the difference in point of view and voice