State whether the following statement is true or false.

Approximately once every 18 months (on average) a total solar eclipse is visible from some place on the Earth's surface.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept: When the sun, moon, and Earth line up in succession, a solar eclipse will take place. The moon's position between the sun and Earth prevents sunlight from reaching the planet.
In a solar eclipse, the moon entirely or partially blocks the sun's light from reaching a particular area of the Earth.
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A full solar eclipse and a partial solar eclipse are the two different forms of solar eclipses.
In a full solar eclipse, the moon entirely obscures the sun's disc; in a partial solar eclipse, the moon only partially obscures the sun's disc.
Typically, solar eclipses happen during the new moon.
Anywhere, a solar eclipse only lasts a short while. These are uncommon occurrences that can happen once every 18 months but only once every 360 to 410 years at the same location.
Hence, the given statement is true.

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