Explain how, using no meteorological instruments other than your eyes, you could identify the passage of an occluded front.?
What will be the ideal response?
ANSWER: When a cold front catches up to and overtakes a warm front, the frontal boundary created between the two air masses is called anoccluded front, or, simply, an occlusion. Locating and defining occluded fronts at the surface is often difficult since the associated weather patterns are similar to those observed in approaching warm fronts.
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Water, H2O, and methane, CH4, have about the same mass and differ by only one type of atom. Why is the boiling point of water so much higher than that of methane?
A. The oxygen of a water molecule has two lone pairs of electrons. B. The electronegativity difference between oxygen and hydrogen is greater than the electronegativity difference between carbon and hydrogen. C. The water molecule is less symmetrical than in the methane molecule. D. all of the above
Describe the transport of running water from slopes to the sea, and the landforms this transport creates
What will be an ideal response?
List three ways in which scientists can detect changes in climate, particularly due to the accumulation of carbon
dioxide, by examining the geologic record. What will be an ideal response?
The V-shaped valley can be generated when:
a. the rate of downcutting by stream is much slower than mass movement on the walls b. downcutting by stream happens as fast as mass movement on the walls c. the rate of downcutting by stream is much faster than mass movement on the walls d. downward erosion is less dominant