Only one strand of DNA is active during the transcription process. A promoter is a part of a DNA that starts the transcription of a particular gene. It is double-stranded, directional, and specific. The promoter itself is not transcribed but instead it aids in the process.
The Richter scale is a way of giving the intensity of all earthquakes a numerical value. this allows the strengths of different earthquakes to be compared. Because of this, i think the best answer is D
