Which of the following statements describes how a true cold front is represented on a weather map?

A. It is always followed by cooler air.
B. It is always followed by drier air.
C. It is always associated with precipitation.
D. It is always associated with a wind shift.


Answer: A

Environmental & Atmospheric Sciences

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When a beta particle is emitted, the mass number of the isotope remains unchanged

Indicate whether the statement is true or false

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A ridge of sand projecting into a bay and often having a hooked end is a ________

A) spit B) groin C) sea stack D) jetty

Environmental & Atmospheric Sciences

On this map of the south Atlantic, why is the mid-ocean ridge in the center of the ocean?

A. Seafloor spreading has stopped in this area. B. Seafloor is added to both sides during seafloor spreading. C. Subduction has occurred under one and then another of the adjacent continents. D. Subduction is consuming seafloor beneath both adjacent continents.

Environmental & Atmospheric Sciences

Which of the following statements best describes a relatively polar bond?

A. two very electronegative atoms undergo ionic bonding B. two weakly electronegative atoms undergo ionic bonding C. two very electronegative atoms are covalently bound D. a very electronegative atom and a weakly electronegative atom are covalently bound E. none of the above

Environmental & Atmospheric Sciences