Which of the following is an example of ways in which global climate change may specifically hasten mass movement?
A) Declining forests from disease and drought will increase slope instability and mass movement events.
B) The breakdown of rock grains in the increased presence of water will lead to more spheroidal weathering.
C) Higher rates of evapotranspiration, especially in semi-arid and arid regions will lead to more salt crystal growth.
D) Additional carbon dioxide in the atmosphere will lead to more carbonation from acid rain.
E) Severe drought in many areas will increase the likelihood of debris flows.
Question 2
In which of the following ways is the study of tree rings and speleothems (cave formations) for understanding past climatic conditions similar?
A) The fossilized form of each is used for understanding past climatic conditions.
B) The chronology each can provide only dates back to a maximum of 1,000 years and are, therefore, only useful for relatively recent climatic trends.
C) Both are examples of macrofossils and can be used to determine plant and animal assemblages of bygone times.
D) Each are composed of organic materials and are therefore used solely for radiocarbon dating.
E) Each have growth bands, yielding evidence of the conditions under which they formed and grew.
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