Answer:
D 2 para sayo charrr
Step-by-step explanation:
∞━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰
7. What causes an echo?
C. Sound waves are reflected off an object.
\small\color{blue}{⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰}⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰
An echo is caused by sound waves bouncing off a hard surface so that you hear the same sound again. Large rooms in homes can create echoes, especially if the room has mostly hard, bare surfaces, high ceilings or does not have much furniture.
-HiroshlKun
#CarryOnLearning
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Answers & Comments
Answer:
D 2 para sayo charrr
Step-by-step explanation:
∞━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰
7. What causes an echo?
C. Sound waves are reflected off an object.
\small\color{blue}{⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰}⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰
An echo is caused by sound waves bouncing off a hard surface so that you hear the same sound again. Large rooms in homes can create echoes, especially if the room has mostly hard, bare surfaces, high ceilings or does not have much furniture.
\small\color{blue}{⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰}⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰
-HiroshlKun
#CarryOnLearning
\large\boxed{\text{Learn With Brainly!!}}
Learn With Brainly!!