How does a fringing reef around an oceanic island become an atoll?
As a volcanic island subsides, the fringing reef grows upward, keeping pace with the seafloor subsidence, becoming a barrier reef when a lagoon develops and finally an atoll when the only solid material is the outer ring of coral.
Environmental & Atmospheric Sciences
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Distribution of potential evapotranspiration during the year:
Environmental & Atmospheric Sciences
How does the type of volcanic eruption relate to gas content and magma viscosity?
What will be an ideal response?
Environmental & Atmospheric Sciences
Which of the following rock types requires dissolved gas in the magma?
A. pumice B. granite C. andesite D. gabbro E. diorite
Environmental & Atmospheric Sciences
In the U.S. Public Lands Survey System, townships contain 36 sections
a. True b. False Indicate whether the statement is true or false
Environmental & Atmospheric Sciences