All of the following is true about Canadian oil reserves, except:
A) second only to Saudi Arabia
B) extracted from tar sands
C) located in Alberta
D) degraded 1 million acres of forest
E) bitumen extraction is toxic
Answer: D
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Alpha and beta rays are deflected in opposite directions in a magnetic field because
A. they spin in opposite directions. B. alpha particles contain nucleons and beta particles do not. C. they have opposite charges. D. all of the above
An RNA transcript constructed from the DNA sequence ATTGC would have the nucleotide sequence
A. TAACG. B. ATTGC. C. UAACG. D. AUUGC.
The _____________ forms the core of North America. Fill in the blank(s) with the appropriate word(s)
Where would you find an estuary?
A) In an area of high primary production within the pelagic zone B) Near a deep-sea vent, where sulfur provides chemical energy for organisms at the bottom of a marine food web C) Where a river flows into an ocean D) In a marine reserve, where fishing has been banned