Which of these does NOT describe subarctic climate?
A) latitudes 50°-70° (Northern Hemisphere only)
B) Short, mild summers; long, severe winters
C) precipitation of 20-45 inches per year; summer concentration; no distinct dry season
D) precipitation normally 10-20 inches per year
D
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Molecules are ________
A) basic subunits of elements B) positively charged particles C) a chemical that cannot be broken or separated D) atoms of an element E) two or more atoms held together by chemical bonds
As Earth rotates on its axis, it wobbles like a spinning top, and this wobble, is known as the eccentricity of Earth’s axis
a. True b. False
Carbon dioxide is a major factor in the global warming story since it
A. is present in the atmosphere in incredibly large quantity. B. creates its own heat through a poorly understood reaction. C. releases energy as a result of molecular decay. D. absorbs more infrared radiation than it emits.
Which of the following rocks represents the highest grade of metamorphism?
A) Biotite schist B) Quartzite C) Phyllite D) Gneiss