Briefly explain some of the factors that can negatively affect a medium's transmission performance
What will be an ideal response?
Cable performance can be impaired by attenuation, crosstalk, and distortion. Radiated media are affected by fog, rain, snow, and solar disturbances. Transmission impairment can result in the transmission signal sent not being the transmission signal received.
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Gases that evaporate from liquid or solid carbon-based compounds and, which, in sunlight react with other pollutants to form urban smog are known as:
a) particulate matters. b) gas flares. c) greenhouse gases. d) volatile organic compounds.
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Most normal sentences in English contain ____________ prepositions
a. object b. few if any c. too many d. one or more
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