Characteristics of estuaries include all of the following except:
a. an abundance of nutrients

b. extreme temperature ranges.
c. a variation of salinity from fresh to salt water.
d. low biological productivity.


d

Environmental & Atmospheric Sciences

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Correctly complete the following sentence using the terms in the lists below: ____ is the chemical name of the mineral ____, which is secreted by most marine organisms. This makes up the rock ____.

a. silicon dioxide, calcite, limestone b. calcium carbonate, quartz, limestone c. silicon dioxide, quartz, chert d. calcium carbonate, calcite, limestone e. calcium carbonate, calcite, cher

Environmental & Atmospheric Sciences

Archeologists believe that the first island to have been discovered by Pacific Islanders from Polynesia was ________

A) Kauai B) Niihau C) Molokai D) Lanai

Environmental & Atmospheric Sciences

High-speed winds can cause ________, clouds of sand moving rapidly near the land surface.

A. deflation B. sand storms C. dust devils D. bajadas E. dust clouds

Environmental & Atmospheric Sciences

Increases in maize and soy production have led to ________.

A. an increase in healthy grain products at a reduced cost. B. the removal of government farm subsidy programs. C. an increased consumption of meat. D. cheap ethanol fuel.

Environmental & Atmospheric Sciences