Answer: False
Explanation:
As for the encoding process we require encoder, decoder, modulator which is less expensive than those required for modulation where we need devices for changing the amplitude, frequency and phase, which is more complex and expensive
Answer:
B
Explanation:
All the options above are correct about SQL except that they're NOT compiled each time they're executed. Which makes the right option, B.
To measure the pollution of a particular river, one must take the sample of the river and take the sample of pure water, then draw the conclusion, it will tell the amount of pollution in the river water.
<h3>What is pollution?</h3>
Pollution is the mixing of unwanted or harmful things in any substance or compound.
Water pollution is the mixing of toxics and chemicals in water.
Thus, to measure the pollution of a particular river, one must take the sample of the river and take the sample of pure water, then draw the conclusion, it will tell the amount of pollution in the river water.
Learn more about pollution
brainly.com/question/23857736
#SPJ1
