Answer:
Cellulose is the main substance found in plant cell walls and helps the plant to remain stiff and strong. Humans cannot digest cellulose, but it is important in the diet as a source of fibre.
Explanation:
There are different causes to error in measurement, most common are instrument precision and misreading the measurements. Some cases are from the experimenter judging to what they want rather than the reading itself.(no offense)
But... measurements are never accurate anyway, they're all estimations.
You are going to subract to get
36.4 - 21.0 = 15.4m
The distance of the object is 15.4 meters away from where it first began
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Answer:
The pericardium is the most outer layer of the heart. Main function to protect the heart from external forces/entry.
