Answer:
Option C. Is used to cool the drill bit and to flush rock cuttings up and out of the drill hole
Explanation:
Drill mud plays a vital role in the drilling process. Its addition into the well-bore does a lot in enhancing the drilling processes and activities.
Among other importance and function of the drill mud /fluid:
1. It is used to cool off the drill bit
2. It flushes rock cuttings out of the drill hole
3. High pressure control
4. Providing buoyancy
5. Lubrication
Yes the moisture in the air is a part of the hydrosphere.
Yes I can help you I think
The rhetorical strategy is Kennedy most clearly using in the excerpt is Logos.
In order to persuade their listeners, speakers often utilize a communication technique called logos, which is Greek for "an appeal to reasoning." This method of persuasion involves the speaker making an argument supported by logic, data, and facts.
Keeping data in front of his audience, John F. Kennedy says in his speech, "We Choose to Go to the Moon." His speech was intended to urge his listeners to support the concept of satellite launch and lunar landing. By displaying the numbers, he is demonstrating how the United States is improving.
Thus, Logos is the rhetorical device employed.
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Complete Question is -
Within these last 19 months at least 45 satellites have circled the earth. Some 40 of them were "made in the United States of America" and they were far more sophisticated and supplied far more knowledge to the people of the world than those of the Soviet Union. What rhetorical strategy is Kennedy most clearly using in the excerpt?