Why is strong cybersecurity needed when transmitting personal information using digital signals?
A. It protects the personal information from being accessed or
stolen.
B. It boosts the signal, keeping it from becoming weaker.
C. It keeps the digital signal from changing into an analog signal.
D. It can make it easier to transmit a computer virus.
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When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.