Concept:Media literacy is developed by analyzing news sources and discussing government influence. Explanation:Activity (a) makes students think about government censorship and media freedom critically. Activity (b) helps students compare different newspaper reports to identify bias and different viewpoints. Activity (c) uses unverified social media news as resources, which does not encourage critical thinking or evaluation. Thus, only (a) and (b) support critical analysis of media's role. Answer:B. (a) and (b)