Which of the following are inorganic pesticides?
A. Carbon tetrachloride and ethylene dibromide
B. DDT and mothballs
C. A complex of chemicals from the chrysanthemum
D. Rotenone and nicotine
E. Arsenic, copper, and mercury
Answer: E
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Which of the following minerals contain independent silicon-oxygen tetrahedra in its lattice structure?
a) amphibole b) feldspar c) olivine d) pyroxene e) mica (biotite, muscovite, etc.)
Which of the following is not one of the levels of the Linnaean Classification Scheme?
a. phylum d. kingdom b. order e. cohort c. species
Instructions: Choose one answer from each pair of selections. You expect to observe the smallest variation in temperature from day to day in the middle of a(n) OCEAN | LAND MASS
There are two basic types of volcanoes, shield and composite cone. Which of the following best describes composite cone volcanoes?
A. relatively small, erupt basaltic magma, and are highly explosive B. relatively large, erupt basaltic magma, and are highly explosive C. relatively large, erupt andesitic magma, and are non-explosive D. relatively large, erupt basaltic magma, and are non-explosive E. relatively small, erupt andesitic magma, and are highly explosive