What is a frustule?
a. The rigid cell wall of a coccolithophore
b. The rigid cell wall of a diatom
c. A microscopic phage that attacks diatoms
d. A small appendage on a dinoflagellate
e. The photosynthetic center of cyanobacteria
b
Environmental & Atmospheric Sciences
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The Global Positioning System is based on the concept of
A) absolute location. B) relative location.
Environmental & Atmospheric Sciences
During which era of the Historical Evolution of the U.S. City were cities compact, usually about 3-4 miles in diameter?
A) Internet era B) Electric Streetcar era C) Pedestrian/Horse car era D) Automobile era E) Freeway era
Environmental & Atmospheric Sciences
According to the World Health Organization, almost ________ of all diseases are caused by environmental exposure.
What will be an ideal response?
Environmental & Atmospheric Sciences
What is a neutral pH?
a. 7 b. 1 c. 15 d. 0
Environmental & Atmospheric Sciences