DDT, DDE, PCBs, and PBDEs are all ________
A) non-biodegradable and subject to bioaccumulation and/or biomagnification
B) biodegradable and do not persist in the environment
C) toxic at the organism level but not at the ecosystem level
D) teratogens
E) approved for use as pesticides by the EPA
A
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Which legislation ended the early Republican Conflict of the Orders?
A) Lex Sempronia Agraria B) Lex Hortensia C) The Twelve Tables D) Licinian-Sextian Law
The competence of a stream depends on:
a. stream velocity b. stream discharge c. area of the cross section of stream d. stream volume
Match the diagram with the appropriate oil trap term
A) Stratigraphic trap (pinchout trap) B) Salt dome C) Fault trap D) Anticline 1) 2) 3) 4)
Earth's largest mountains are found
A. in the Indian subcontinent. B. under the sea. C. in the western U.S. and Canada. D. forming the mountainous backbone of western South America.