The height of a sound wave is called its _____
A: amplitude
B: altitude
C: attitude
D: atmosphere

Also please answer these 3


What is light?
A: a wave of vibrating electric and magnetic energy
B: a wave that travels by compressions
C: a wave that travels by rare fractions
D: a state of matter



The height of a sound wave is called its _____
A: amplitude
B: altitude
C: attitude
D: atmosphere




The sun appears to move across the sky each day. What time of day will the shadow be shortest?
A: sunrise
B: noon
C: sunset
D: midnight

Respuesta :

1:B 

2:A (I think) 

3:(Isn't this the same as the top?) 

4:A (I believe.) 

Let me know if I was right or wrong, please.

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