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Ericka is also in Mr. Whittaker’s science class and she recorded the variation in water level at a different part of the river. She observed that the water level there fell 2.2 millimeters per year over a period of 6.2 years

This data is compared to the average annual trend, which shows the water level rising 1.8 mm/year.

User Yasuyuki  Uno
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2 Answers

10 votes
10 votes

Answer:

Explanation:

User Holloway
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12 votes
12 votes

Answer:

first one is 2.2mm/year and second is 6.2years and -2.2mm/year

Explanation:

Just trust me im right

User Inderjit
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