The Sustainable Duke program, begun in 2007 in order to reduce Duke University's net greenhouse gas emissions, was able to accomplish an approximate ________ reduction by the end of 2009
A) 20% B) 1% C) 50% D) 10% E) 0%
D
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Briefly describe the terms cells, nuclei, chromosomes, DNA, and genes by explaining their relationship to each other.
What will be an ideal response?
What is deep atmospheric convection?
A) Convection that is buried under a thick capping inversion layer. B) Convection that extends over a large geographic region. C) Convection that does not begin until a very great height above the surface. D) Convection that begins near the ground and extends to the tropopause.
What was the rate of cooling and the environment of formation for an extrusive igneous rock and why?
A) Slow because the magma was insulated below the surface B) Fast because it was erupted from a volcano C) Slow because it cooled in a volcanic lava flow far from the vent D) Fast because it cooled 6 kilometers below the surface
List the five environmental risk factors that are responsible for global mortality and disease
What will be an ideal response?