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sukhopar [10]
3 years ago
10

Some life forms move so slowly that their movement cannot be detected by normal observation. The best way to determine any movem

ent is by placing a mark at some point, and observing any change in position from it. Why is this true?
The life form returns to that mark.
The mark is a reference point.
The mark is a standard unit.
The mark makes measuring convenient.
Social Studies
2 answers:
masya89 [10]3 years ago
6 0

Answer:

The mark is a reference point.

Explanation:

EDG 2020

maria [59]3 years ago
5 0

The mark is a reference point.

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