Source regions for air masses tend to be generally flat or of varied composition, and in an area of light winds dominated by surface high pressure
Indicate whether the statement is true or false
False
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On the June solstice
A) the solar declination is 23.5 degrees North. B) the Southern Hemisphere overall receives more energy than does the Northern Hemisphere. C) the South Pole experiences 24 hours of daylight. D) the subsolar point is on the Tropic of Capricorn.
What are the evidences used by Harry Hess to support the hypothesis of sea-floor spreading?
a. New rock near the ridge b. Oldest rock near the ridge c. Oldest rock farther away d. Both a and c
In the seventeenth century, Archbishop James Ussher of Ireland used the Bible to calculate that the Earth was created in 4004 b.c.e. Imagine you could take Archbishop Ussher to Niagara Falls
Although Niagara Falls is located on the border between the United States and Canada today, it was located several kilometers to the north at the Niagara Escarpment and is eroding southward. Let's assume the rate of erosion is 50 cm/yr. Assuming the distance from the Niagara Escarpment to Niagara Falls is 11 km, use the equation Rate = Distance/Time to calculate how long it would have taken to erode from the Escarpment to the current location of the falls. How would this calculation compare with Archbishop Ussher's assessment of the age of the Earth? What will be an ideal response?
Eruptions of shield volcanoes fed by mafic magma tend ________.
A. not to be explosive or particularly dangerous B. to cover the surrounding landscape in ash C. to be violent and potentially dangerous events D. to be explosive but short-lived E. to result in the expulsion of vast amounts of tephra