What are the six fundamental geologic principles that are used in relative dating? What will be an ideal response?
Superposition, original horizontality, lateral continuity, cross-cutting relationships, inclusions, fossil
succession.
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Which of the following conditions likely caused the "year without a summer" in 1816?
A. a dust cloud produced when a meteorite collided with the Earth B. deforestation C. particulate matter and gases from volcanoes D. soot from coal fires
Civil war in Sri Lanka between the Sinhalese and Tamils occurred because of
A. the economic policies of the British colonizers B. post-independence policies that allegedly favored the Sinhalese over the Tamils. C. conflicts between religious minority and majority populations. D. competition over areas with rich mineral deposits.
Various colors of slate result from differing intensities of deformation
Indicate whether the statement is true or false
Why are rain and sea ice composed of freshwater?
a) Evaporating water does not carry salt ions, and freezing water expels salt ions. b) Rain takes on the ions of the surrounding atmosphere, and ice takes on the ions of the surrounding water. c) The statement is false because both rain water and sea ice have salt. d) Chloride ion must ionic bond to sodium to form salt, and if sodium is available, salt will be in ice and in rain. e) All of the above.