What is the minimum number of seismic stations needed to find the location of an earthquake?
What is the minimum number of seismic stations needed to find the location of an earthquake?
- One
- Two
- Three
Three
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Explain what the difference is between major climate zones and major biomes, and how the two interact
What will be an ideal response
The Copenhagen Accord, an international response to climate change, ________.
A. provided a mechanism for enforcement B. recommended a target of no more than 2°C rise in global temperature C. endorsed geoengineering solutions to climate change D. was renounced by the United States and Canada E. established specific targets for greenhouse gases
The Maldive Islands are in immediate danger from global climate change because
A) the coral reefs, which are their major tourist attraction, are dying. B) the islands have a mean elevation of three feet above sea level. C) the islands are constantly damaged by hurricanes generated by warmer sea water. D) increased rainfall has flooded much of the agricultural land.
Which of the following is NOT a way in which fossils can be preserved?
A. They can be too small to see but can build diagnostic features in the rocks. B. They can be buried and decay, leaving a cavity in the rock. C. They can be preserved in ancient tree sap. D. They can be replaced by hard materials, such as silica. E. All of these are ways a fossil can be preserved.