The wave nature of light, due to the experiment having bright and dark bands corresponding to places where you have constructive and destructive interference.
Wavelength = speed / frequency
(345 m/s) / (20,000 Hz) = 0.017 m
The type of rocks are magma and the igneous rocks.
Answer: The basic requirements for connecting to the Internet are a computer device, a working Internet line, and the right modem for that Internet line. In addition, software programs such as Internet browsers, email clients, Usenet clients, and other special applications are needed in order to access the Internet.
Explanation: brainleist pls :)
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This will really help you learn a lot.
