If the amount of energy lost by Earth to space each year were not approximately equal to that received,
a. ?the atmosphere's average temperature would change.
b. ?the length of the year would change.
c. ?the Sun's output would change.
d. ?the mass of the atmosphere would change.
e. ?nothing would change.
ANSWER: a
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Culture means to
A) care about and nurture something. B) nurture the growth of a plant but not ideas, customs, or beliefs. C) develop new variations. D) discard effective practices. E) teach art, music, and literature.
Part of the reason that precipitation is more acidic in the northeastern United States is:
A) many factories are using shorter chimney stacks. B) water vapor contributed by the Great Lakes is naturally more acidic. C) local pollution is compounded by pollution drifting in from upwind population centers. D) the local vegetation influences the acidity of rainwater forming in the region.
Urban core areas are called CBDs (Central Business Districts)
Indicate whether the statement is true or false
When the salinity of a seawater sample changes, the ratio of the major salt ions does not change.
Answer the following statement true (T) or false (F)