What does the lowercase letter w indicate about an air mass?
A) The air mass is warmer than the surface over which it is passing.
B) The air mass is wetter than the surface over which it is passing.
C) The air mass is colder than the surface over which it is passing.
D) The air mass is drier than the surface over which it is passing.
A
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Compare and contrast the two methods that are currently being used to preserve shortgrass prairies in Montana.
What will be an ideal response?
The presence within the environment of a chemical or other agent at a level that is harmful to humans or other organisms is ____________________.
Fill in the blank(s) with the appropriate word(s).
Which measure is NOT used to minimize erosion following a fire?
a. seeding slopes b. placing straw bales or tubes c. felling dead trees d. removing dead trees e. placing plastic sheeting over the soil
Which of the following best defines a mineral and a rock?
A) A mineral consists of its constituent atoms arranged in a geometrically repetitive structure; in a rock, the atoms are randomly bonded without any geometric pattern. B) A rock consists of atoms bonded in a regular, geometrically predictable arrangement; a mineral is a consolidated aggregate of different rock particles. C) In a mineral the constituent atoms are bonded in a regular, repetitive, internal structure; a rock is a lithified or consolidated aggregate of different mineral grains. D) A rock has an orderly, repetitive, geometrical, internal arrangement of minerals; a mineral is a lithified or consolidated aggregate of rocks.