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A scientist would use, C. Weather Balloon.
The answer is noise.
Noise is an unwanted sound or group of sound that are unpleasant, loud and disruptive to hearing. However in communication theory, noise has a more specific meaning. It refers to any factor that distorts with the communication process between a speaker and an audience.
Answer:
a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape,2 (c) has not cleared the neighbourhood around its orbit, and (d) is not a satellite.
Answer: 200 meters
Explanation: This is called the shelf break. The continental shelf is characterized by a very gentle slope less than 1 degree. The average depth is about 150 m and it has an average width of 70 km. (wiki it)
