Answer:
They walk 3,600 meters
Explanation:
7.5 minutes = 450 seconds.
Because they are walking at 8 meters per 1 second, multiply 8 by 450.
= 3600m
The loudness was increased by the amplifier which converted electrical energy into sound energy.
D. Destructive interference. An easy way to think about it is the waves are opposite each other, so they essentially cancel each other out, or make an effort to.
We are in the lowest layer called Troposphere.
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Static electricity. Like the balloon against hair
