The basic building block of all silicate minerals is the silica ____
A)tetrahedron
B)backbone
C)scaffolding
D)skeleton
E)layer
A
Environmental & Atmospheric Sciences
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What percentage of the U.S. population considers the environment to be one of the most pressing issues facing the nation?
A. less than 10% B. 20% C. 30% D. 40% E. 50%
Environmental & Atmospheric Sciences
Below the carbonate compensation depth, deposition is unlikely of the sediment type known as:
a. foraminiferal ooze b. radiolarian ooze c. diatom ooze d. pelagic ooze
Environmental & Atmospheric Sciences
The distribution of many aquatic organisms is determined largely by salinity.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
A country with a declining fertility rate that is below 2.0
A) is graying. B) has a population declining in size. C) is increasingly common in highly developed nations. D) All of these are true.
Environmental & Atmospheric Sciences