When no visible radiation strikes the rods or cones in the human eye, a surface will appear ____

A) blue
B) black
C) white
D) gray


B

Environmental & Atmospheric Sciences

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Which of the following categories includes manatees and dugongs?

A) Cetacean B) Cnidaria C) Sirenia D) Teleost

Environmental & Atmospheric Sciences

As of 2015, U.S. plans for nuclear power production are to

A) increase generating capacity by about 25%. B) double generating capacity. C) keep the generating capacity about the same since new plants are slow to be built and old ones are being retired. D) make all new plants according to the new safer Chernobyl design.

Environmental & Atmospheric Sciences

What is the best definition of "maximum sustainable yield"?

A) planned obsolescence B) production consistent with maintaining future productivity of a renewable resource C) generation of maximum profits possible while sustaining the current amount of population D) looking for alternative methods of production (redirecting investment into new technologies) E) using separate production techniques and matching them to the appropriate local skill levels

Environmental & Atmospheric Sciences

Photosynthetic plankton are called phytoplankton and include the diatoms and dinoflagellates

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences