Explain the eruption sequence of a typical geyser
What will be an ideal response?
Answer: Water builds up and is heated and superheated in a series of narrow openings through the rock. the pressure builds until steam in deeper in the tubes and boiling water lower down cause an eruptive outward motion. The eruptions last for various time periods and are usually not very regular.
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A reef coast is a product of living organisms
Indicate whether the statement is true or false
Which of the following attributes does NOT apply to these sediments?
A. composed of gravel B. well sorted C. angular clasts D. cobbles and boulders
Upper-level air that flows straight from west to east across the United States
A) favors formation of strong cyclones. B) is associated with meridional patterns. C) does not have pronounced vorticity characteristics. D) is breaking the normal upper-wind flow pattern from east to west.
As chemical pesticides move through the trophic pyramid, they may become increasingly concentrated at each higher level in a process called
A) pyramidal decay. B) trophic cascading. C) competitive exclusion. D) bioremediation. E) biological amplification.