Exam 1: Introduction to Earth

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He was first to correctly calculate the circumference of Earth: ________.

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One can tell when it is solar noon by observing

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The ________ points at the star Polaris.

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Which of the following is a central meridian in the standardized time system?

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The ________ is a basic unit of distance in the Système International (metric system).

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Russia is the country containing the most time zones. It contains ________ zones.

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Universal Time Coordinated is also known as ________.

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The shape of Earth's orbit around the Sun is a(n)

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One degree of longitude equals 0 miles on the ground at the ________.

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Which of the following is out of order in the ideal application of the scientific method?

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There are 24 minutes for each degree of latitude.

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A ________ separates Earth into two hemispheres.

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The United States spans ________ time zones.

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The maximum distance between Earth and Sun occurs in July and is called the ________.

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At the June solstice, day length varies from ________ hours at the Equator to ________ hours at the North Pole.

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The planets in our solar system formed from a cold, rotating disk of gas and dust surrounding the Sun.

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Almost all countries in the world base their time on UTC.

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The Greenwich Meridian is also known as the ________.

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The circle of illumination just touches the Antarctic Circle on or about ________.

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Which of the following subsystems includes all living things on Earth?

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