A severe thunderstorm by definition is a thunderstorm that produces one inch hail or larger in diameter and/or winds equal or exceed 58 miles an hour. The size of the watch can vary depending on the weather situation. They are usually issued for a duration of 4 to 8 hours.
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It is measured With a barometer
The answer is A (lunar eclipse)
Explanation: a full moon would be a bright round object, not dark, and both the first and third quarter moons are essentially what we call “half moons” because we only see half of the circle. Thus, neither could be classified as a “large dark object”, so A is the only answer that works