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ella [17]
3 years ago
12

1. What are vaccines and why are they important for people's health​

Physics
1 answer:
Evgen [1.6K]3 years ago
8 0
To help fight off disease and viruses
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3 years ago
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3 0
3 years ago
If the radio waves transmitted by a radio station have a frequency of 76.5 mhz, what is the wavelength of the waves, in meters?
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λ = 3.92 m
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