Help me please will give brainleist

Answer:
sound travels fastest in solids
Step-by-step explanation:
the particles are more close together therefore the sound can travel faster :D
Answer:
sound travels faster in solids than gases
Step-by-step explanation:
so we can see the bigger of a difference between air and a piece of glass. so "empty space" is out because the glass one is faster, the third option is a choice but sound can't travel in space so its not an op6