To what does the concept of acceptable risk refer?
A) the fact that natural hazards always have risks
B) the risk that a prediction of an event is likely to be inaccurate
C) the risk that is inherent in predicting natural hazards
D) the risk that society or individuals are willing to endure
D
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A toy is pulled by three kids. Jim pulls with a force of 30 N north, Jill pulls with a force of 30 N south, and Jay pulls with a force of 15 N east. The resultant of these forces is
A. 15 N west. B. 15 N north. C. 15 N east. D. none of these
A population distribution map of insular Southeast Asia will indicate
A. that Indonesia's relocation policies have made Borneo a crowded place. B. that Java is one of the most densely populated pieces of real estate in the world. C. a decrease in population in Irian Jaya due to deforestation. D. a low density in Java, probably due to poor volcanic soils.
Explain how two cities in similar latitudes with the same mean annual temperature can have different climates
We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes
A. Allow an individual organism to adapt to its changing environment. B. Are important for a balanced ecosystem. C. Lead to diverse ecological processes in a biological community. D. Are necessary for a population to evolve in a changing environment. E. Increase the efficiency and productivity of a system because all niches are filled.