Ria is preparing an argument supporting more recess in schools. she wants to determine if a blog post is a reliable source. which element should ria look for?

the graphics the author used to create her post
the author’s first-hand experience with the topic
the date the blog first featured a post about physical activity
the credibility of the sources the author referenced in her post

I believe it's D. the credibility of the sources the author referenced in her post.

Explanation:

You gotta make sure the author isn't BS

The credibility of the sources the author referenced in her post

Explanation:

CREDIBILITY can be defined as the way in which something can be trusted or trustworthy and believable without causing biased which is why people will often believe and trust something that has CREDIBILITY.

Therefore a CREDIBLE SOURCE can be seen as the source that is unbiased and is often backed up with evidence which make it to be believable and trusted because using unreliable sources will hurt and damage the credibility of the source which is why a source is more credible if written by someone who has better understanding in the subject of interest which thereby help to convince the receiver of that message to accept it due to it credibility .

Therefore the credibility of the sources the author referenced in her post will help Ria to determine if a blog post is a reliable source or not.

it should be

hard work gives a person a sense of satisfaction; likewise, it to pay the bills.

so the punctuation is not correct.