Respuesta :
The best conditions for a sound wave to travel is due to its particles loose. The answer to your question is C. I hope this is the answer that you are looking for and it comes to your help.
Answer: A. had particles together evenly.
Explanation:
I don't know how or why but this is the answer for Science 8 B: Waves and Electromagnetic Radiation Unit Test
Science 8 B Unit 2: Waves and Electromagnetic Radiation