Earth Science - January 2011

26 Which pie graph correctly shows the percentage of elements by volume in Earth’s troposphere?

27 The symbols below represent star masses and distances.

28 The diagram below shows the position of the Sun, the Moon, and Earth during a solar eclipse. The full shadow (umbra) and partial shadow (penumbra) of the Moon and Earth are shown.

29 The map below shows surface air temperatures, in degrees Fahrenheit, reported by weather stations in the north-central United States. Letter X represents an air mass moving in the direction shown by the arrow. A line marks a frontal boundary advancing in a southeasterly direction.

30 The block diagram below shows a cross section of a landscape. Letters A, B, C, D, and E represent different rock layers.

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