Can we alleviate the future mineral-resource shortages by reducing consumption rates?
a. Yes. It is the most efficient way to solve the shortage.
b. No, because it is even impossible to keep the current consumption rate (the world-wide consumption rate actually increases every year).
Answer: b. No, because it is even impossible to keep the current consumption rate (the world-wide consumption rate actually increases every year).
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If a great amount of precipitation falls on the drainage basin of a river that is surrounded by well-established trees, what is likely to happen?
A) The base level of the profile will rise. B) The slope of the base level of the stream profile will increase. C) The slope of the base level of the stream profile will decrease. D) The base level of the profile will be lowered.
Describe and give an example of a passive continental margin
What will be an ideal response?
Glaciers flow by _____ when the weight of the overlying ice, firn, and snow causes ice crystals at depth to arrange themselves in parallel layers that glide over each other, much like the spreading of a deck of cards
a. internal plastic deformation b. ablation c. basal sliding d. icefall e. crevassing
Which of the following accurately describes the use of tree rings for studying past climates (dendroclimatology)?
A) The width of annual tree rings indicates the climatic conditions; wider rings suggest favorable conditions, whereas narrower rings suggest harsher conditions. B) Dendrochronology is primarily used in the tropical regions, where one can easily correlate a tree species' age with the climatic conditions there. C) Because most trees only live 60 to 100 years, dendrochronology can only serve as a climate record for recent history and are primarily used to supplement instrument data. D) The age of trees can be determined by tree ring analysis. By establishing the age of long-lived trees, one can determine the climate conditions of the area the year the tree sprouted.