An example of a silicate mineral with a double-chain structure is:
a. augite
b. hornblende
c. corundum
d. plagioclase feldspar
b
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A massed group of individual fish of a single species and size class packed closely together and moving as a unit is called a ____
A) flock B) herd C) clutch D) school
Water wells are not necessarily to penetrate below water table.
a. true b. false
The Hudson River has been polluted with ________ from a facility that manufactures electrical transformers
A) solid waste B) DDT C) PCBs D) peat E) coolants
Which of the following determines blood type B in the ABO blood typing system?
A) the presence of only N-acetyl-D-galactosamine antigen B) the presence of only D-galactose antigen C) the presence of both N-acetyl-D-galactosamine and D-galactose antigens D) the absence of both N-acetyl-D-galactosamine and D-galactose antigens