Final answer:
Sara should avoid using social media platforms and personal blogs without authoritative sources as they may not provide credible information. Instead, she should consider using peer-reviewed journals and educational institutional websites as reliable sources for her school essay. So, the correct answer is A) and B).
Step-by-step explanation:
In order to find credible resources for her school essay, Sara should avoid two types of sites:
Social media platforms: These platforms are not typically reliable sources of information as they often contain personal opinions, rumors, and bias.
Personal blogs without authoritative sources: Blogs can be a valuable source of information, but only if they cite reliable sources and provide evidence to support their claims. Personal blogs without authoritative sources may lack credibility and accuracy.
Instead, Sara should focus on using peer-reviewed journals, which are scholarly publications that have undergone rigorous evaluation by experts in the field. Additionally, educational institutional websites can be trusted sources of information as they are typically backed by reputable academic institutions.
Thus, the correct answer is A) and B).