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This table shows data collected by a weather station. If these trends continue, what weather can you predict for the region for the upcoming week?

\begin{tabular}{|c|c|c|c|}
\hline
& Day 1 & Day 2 & Day 3 \\
\hline
\begin{tabular}{c}
temperature, upper atmosphere \\
(°F)
\end{tabular} & 45 & 44 & 43 \\
\hline
\begin{tabular}{c}
temperature, surface \\
(°F)
\end{tabular} & 61 & 59 & 55 \\
\hline
\begin{tabular}{c}
air pressure \\
(inches of mercury)
\end{tabular} & 30.00 & 29.96 & 29.50 \\
\hline
\end{tabular}

A. Cloudless skies, warm weather
B. A blizzard
C. Rain storms
D. A few clouds, but very cold

Sagot :

GinnyAnswer
To predict the weather for the upcoming week based on the given data, let's analyze the trends in temperature and air pressure.

### Analyzing Data Trends

1. Temperature in the Upper Atmosphere:
- Day 1: 45°F
- Day 2: 44°F
- Day 3: 43°F

Trend: The temperature in the upper atmosphere is gradually decreasing.

2. Temperature at the Surface:
- Day 1: 61°F
- Day 2: 59°F
- Day 3: 55°F

Trend: The surface temperature is also decreasing.

3. Air Pressure:
- Day 1: 30.00 inches of mercury
- Day 2: 29.96 inches of mercury
- Day 3: 29.50 inches of mercury

Trend: The air pressure is steadily decreasing as well.

### Observations

- Decreasing Surface Temperature: We see a drop from 61°F to 55°F over three days. The significant decrease suggests a cooler trend.
- Air Pressure Decrease: The decrease in air pressure from 30.00 to 29.50 inches of mercury indicates a possible change in weather conditions such as precipitation or colder weather.
- Temperature Fluctuations: The difference between the highest and lowest surface temperatures over the three days is \( 61°F - 55°F = 6°F \), indicating a rapid decrease.

### Prediction Based on Trends

Given the decreasing trend in both surface and upper atmosphere temperatures and the steady drop in air pressure, we can infer the following:

- The drop in temperature and air pressure usually indicate approaching cold weather.
- The significant decrease in air pressure to 29.50 inches, combined with falling temperatures, suggests conditions could become very cold, potentially with clear skies or sparse cloud cover.

### Conclusion

Considering the trends and observations, the most probable weather prediction for the upcoming week is:

D. a few clouds, but very cold

This conclusion is supported by the observed decrease in both temperatures and air pressure, hinting at colder weather with minimal cloud cover.
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