Answer:
Light passing through a hole in the wall of a completely darkened room forms an inverted image of the outside object on the opposite wall.
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Answer:
(1) Statistics helps in providing a better understanding and accurate description of nature's phenomena. (2) Statistics helps in the proper and efficient planning of a statistical inquiry in any field of study. (3) Statistics helps in collecting appropriate quantitative data.
Musicians use a time signature to specify the number of beats in a measure (also called a bar).
