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Answer:</h2>
the measured abundances of elements, the observed expansion of space, and the discovery of the cosmic microwave background 'CMB'. The CMB refers to the uniform distribution of radiation that pervades the entire universe.
Why are people just giving away the answer?
Answer:
0 meters
Explanation:
When we talk about displacement, think that the think of it as the measure of the distance between the starting point of the object, from its end point.
Since we are talking about a lap around a track, it would mean that the starting point is also the end point. So if you started and end at the same point, the distance between it would be 0.
Diphasic impulses.
Hope this helps you :)
Pyroxene and plagioclases feldspar