Which subsystem of Earth supplies heat for convection in the mantle?
A)atmosphere
B)hydrosphere
C)biosphere
D)core
E)lithosphere
D
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Which piece of glassware do we generally use to deliver a predetermined fixed volume of solution in a titration?
A) an Erlenmeyer flask B) a graduated cylinder C) a volumetric pipet D) none of the above
A problem with the tipping bucket rain gauge is that during each “tip” it loses some rainfall and, therefore, under measures rainfall amounts, especially during heavy downpours
a. True b. False
The subsistence needs of a growing human population, as of yet, have had little effect on Madagascar's landscapes and wildlife
Indicate whether the statement is true or false
Dust Bowl conditions in the North American Great Plains of the 1930s represented ________
A) something that will not happen again B) changes which occurred because the climate changed C) an identical situation to Hawaii of the late 1920s D) deforestation E) desertification