Land subsidence is worsened by the cessation of groundwater pumping, because the additional water that is retained underground weakens the rock, making it subside more easily.
Answer the following statement true (T) or false (F)
False
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The volcanic explosivity index (VEI) is intended to:
a. describe the frequency of volcanoes. b. be used to forecast eruptions. c. prevent fatalities and property damage. d. document the size of eruptions. e. encourage people not to live near active volcanoes.
Which of the following is true of specialist species?
A. They can live in many different places. B. They can eat a wide variety of foods. C. They can tolerate a narrow range of climatic conditions. D. They can tolerate a wide range of environmental conditions. E. They are less prone to extinction.
Astronomers believe that asteroids are remnants of a planet that disintegrated after a collision with a comet
a. True b. False
According to the second law of thermodynamics,
a. energy cannot be created or destroyed. b. things tend to move toward a more disorderly state. c. matter can be created, but not energy. d. kinetic energy is the most efficient source of energy.