By what means do we know that greenhouse gas concentrations have varied quite dramatically over the geologic record?
A. carbon isotopes
B. ice cores
C. tree rings
D. oxygen isotopes
Answer: B
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Why does the heat budget vary with latitude?
a. The angle of the sun at varying latitudes b. The proximity to magnetic poles c. Atmospheric circulation currents disperse solar radiation d. The axis of the Earth
Where do the hurricanes that are so prevalent in the Caribbean originate?
A) in the Caribbean Sea, due east of Honduras B) off the coast of West Africa C) in the Pacific Ocean, just south of Guatemala D) in the Gulf of Mexico near Miami, Florida E) just east of the Lesser Antilles, in the Atlantic Ocean
Langmuir circulation disturbs deep water currents due to twisting vortices
Indicate whether the statement is true or false
How would these changes affect our society? What will be an ideal response?