What is the shape of the boundary between the two air masses that interact at a cold front?
a. a shallowly inclined surface
b. a vertical wall
c. a mixing zone within a spherical bubble
d. every cold front is different
e. a steeply sloping surface
e
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World coal reserves are more abundant than oil or natural gas
Indicate whether the statement is true or false.
Shield volcanoes are composed largely of lavas of ____________________ composition, they
commonly have slopes that are ____________________, and their eruptions tend to be ____________________ in explosivity. Fill in the blank(s) with the appropriate word(s).
Which of the following sedimentary environments would produce the more well-sorted sedimentary rocks?
a. glacial b. river c. glacial river d. beach
Describe the typical life cycle of a midlatitude cyclone in North America, beginning with cyclogenesis and ending with the cyclone's dissolution
What will be an ideal response?