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Answer: endoscopy
Explanation: During endoscopy, your doctor passes a hollow tube equipped with a lens (endoscope) down your throat and into your esophagus, stomach and small intestine. Using the endoscope, your doctor looks for ulcers. If your doctor detects an ulcer, a small tissue sample (biopsy) may be removed for examination in a lab.
Answer:
B. Being polite and using good manners when in the cyber community.
Explanation: <em><u>Etiquette</u></em> is the customary code of polite behavior in society or among members of a particular profession or group. Netiquette is the words <u><em>Net</em></u> & <em><u>Etiquette</u></em> combined
The answer is b. the national institutes of health (NIH)
