Which of the numbered features is a pyroclastic flow?
A) 1
B) 2
C) 3
D) 4
E) 5
D) 4
Environmental & Atmospheric Sciences
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The world's economies are not affected by climate change
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
A wave first begins to break against the shore when the ratio of wave height to water depth is about 1:2
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
What data were used to develop the first geologic time scales?
A. the fossil record B. analyses of radioactive elements C. uniformitarianism
Environmental & Atmospheric Sciences
Which of the following best matches the description?Organisms that swim in the open ocean water.
A. pelagic B. tundra C. benthic D. savanna E. deciduous forest F. phytoplankton G. marsh H. desert I. pioneer community J. grassland K. boreal forest L. periphyton M. biochemical oxygen demand N. littoral zone O. euphotic
Environmental & Atmospheric Sciences