Answer:
General Appearance; Evaluation by sight. (skin's color, condition, general appearance);the first part of a physical examination; close observation.
What is time dilation?
Answer: Time dilation is the difference of time between two events. This events are measured by two different observers that are moving relatively to each other or that are present two different places.
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Answer:
symptoms are :
A persistent change in your bowel habits, including diarrhea or constipation or a change in the consistency of your stool.
Rectal bleeding or blood in your stool.
Persistent abdominal discomfort, such as cramps, gas or pain.
A feeling that your bowel doesn't empty completely.
Weakness or fatigue
Unexplained weight loss