Final answer:
Information's relevance is dependent on context, making the statement true. The amplitude of waves can affect each other regardless of their precise alignment. And waves of different frequencies can indeed superimpose and interfere with each other.
Step-by-step explanation:
Information can be relevant in one context and irrelevant in another. This statement is A. True. Context is key when determining the relevance of information. For example, a biased historical account may seem irrelevant for a factual report, but very relevant for an analysis of media bias and its effects on public perception. In the study of historical events, understanding the bias can offer insights into the historical context and influence on public opinion.
The amplitude of one wave is affected by the amplitude of another wave only when they are precisely aligned. This statement is B. False. Waves can affect each other's amplitudes through the principles of interference, whether they are precisely aligned or not, leading to constructive or destructive interference.
Regarding the statement about waves and frequencies, it is A. True that waves can superimpose if their frequencies are different. When waves of different frequencies overlap, they can still interfere with each other to create complex wave patterns.