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Softa [21]
2 years ago
7

What is the barometric trend of the weather data?

Chemistry
1 answer:
larisa86 [58]2 years ago
4 0

Answer:

the change of atmospheric pressure during the last few (generally three) hours before a regular observation.

Explanation:

Even small changes in barometric pressure can greatly impact the weather. The Weather Trend directional arrow icon, included on many AcuRite weather station products, will show one of the following three barometric pressure trend directions, indicating potential future weather conditions.

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Explanation: spectrophotometer is an instrument used to measure the light intensity absorbed after being passed through a solution. Before the absorbance of the sample solution, a solvent solution called blank is used for the calibration of the machine and this blank solvent is placed in a cuvette. The procedure usually comes first before the main sample is processed. Therefore there is no need to

Write, in ink, either sample or blank on the side of the cuvette to keep track of them. This is so since sample and blank is not absorbed at the same time by the machine.

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Determine the number of significant figures in the measurement quantity: 2600. kg.
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