Mudflow is less viscous than Debris flow, and therefore the mudflow moves faster than Debris flow.
a. true
b. false
Answer: b. false
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Forests can be totally destroyed by ______ fires.
Fill in the blank(s) with the appropriate word(s).
Which of the following contributes most to sustainability?
A. Abundant use of resources B. Distribution of poverty C. Rapid population growth D. Inclusion of environmental and health costs in market prices E. Natural capital degradation
What fuel is the most important source for generating electricity in the United States?
What will be an ideal response?
What is/are the primary environmental issues in Sub-Saharan Africa?
A) agricultural runoff and loss of topsoil B) coastal erosion and industrial pollution C) deforestation and desertification D) paving over fertile soil (urbanization) E) pollution from nuclear accidents