Xiao Ming and Xiao Hua are discussing "Why can't you hear the echo of shouting in the room", and suddenly they think of a question: Is the sound reflected like a painting?

Answer: A: (1) According to the experimental table data, the reflection angle of sound is equal to the incident angle, so Xiaoming's guess 1 is correct;

(2) The main links of scientific inquiry are: asking questions → guessing → designing plans → conducting experiments → analyzing and summarizing → drawing conclusions.