What makes a source effective ? Select two correct answers

- Credibility: A source is effective if it is credible, meaning it is trustworthy and reliable. Credibility can be determined by evaluating the author's credentials, the accuracy of the information, and the presence of supporting evidence.

- Relevance: A source is effective if it is relevant to the topic or question at hand. It should provide information or evidence that directly relates to the subject being discussed and helps to answer or address the research question or problem.