The coldest air mass is
A) maritime polar.
B) continental tropical.
C) maritime tropical.
D) arctic.
Answer: D
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Which of the following is currently a problem with modern-day weather predictions?
A. There are regions of the world where observations are sparse. B. Computer forecast models make assumptions about the atmosphere that are never correct. C. Computer models inadequately interpret the influence of the surface on the weather. D. The distance between grid points on some models is too small to pick up storm systems.
Bahá'í diffused to other regions during the late nineteenth century, under the leadership of 'Abdu'l-Baha, son of the prophet Baha' u' llah
Indicate whether the statement is true or false.
Pyroclastic debris is ________.
A. the SiO2-rich magma that flows quickly down the side of a volcano B. the SiO2-poor magma that remains as gas escapes lava as it flows C. solid pieces of rock contained within, and transported by, lava D. chucks of magma and rocks blown into the air by gas in a volcanic eruption
If Santa flew from the North Pole due south to the equator along the 100° meridian and did not correct his course, he would land
A) east of the 100° meridian. B) on the 100° meridian. C) south of the 100° meridian. D) north of the 100° meridian. E) west of the 100° meridian.