The overall rate at which humans are producing carbon dioxide is
A) increasing.
B) decreasing.
C) some years increasing and other years decreasing.
D) remaining about the same.
A
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A conformal map projection is one that
A) is based on the idea of projecting the image on all or part of the globe onto a cone. B) preserves (i.e., does not distort) the shapes of features, like countries or continents. C) preserves (i.e., does not distort) the area of features, like countries or continents. D) allows only a hemisphere or less of the Earth's surface to be shown on a map.
Some scientists think that Yellowstone could cause a future disaster because
A) the area is part of a caldera. B) magma is still present at depth. C) past eruptions from Yellowstone carried ash over a huge area of western North America. D) land near Yellowstone is uplifting in some places and subsiding in others. E) All of these are correct.
Which of the following statements is NOT true concerning the supercell wall cloud?
A) indicates a tornado may form soon B) caused by intensification of the mesocyclone C) usually located on the north/east side of the supercell D) forms when cool air is drawn into the storm's updraft
________ are the most common materials precipitated as cement, which binds loose particles of sand into a solid sedimentary rock.
A. Feldspar and calcite B. Calcite and silica C. Clay and silica D. Silica and hematite E. Calcite and fluorite