What plan did Europe introduce in 2005 to help the region fight climate change?
A) a program to become the world's leader in solar energy
B) a tree-planting plan
C) an emission trading scheme
D) a research program to perfect carbon sequestration
E) All of the choices are correct.
C
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What is a yardang?
A) A wind-sculpted landform oriented parallel to the prevailing wind, often narrow at the base B) A small rock polished and pitted on the exposed surface C) A shallow depression created by deflation D) A pit worn into a rock by circular currents of flowing water
Which type of energy is least involved with waves crashing on a beach and retreating back to sea?
A) frictional energy B) mechanical energy C) gravitational energy D) sound energy
What are dose-response curves, and what can they show?
What will be an ideal response?
The geologic relationships in this figure indicate that
A. the lava flow overlies an angular unconformity. B. the lava flow pushed the trees over. C. the lava flow is younger than the landscape surface partially covered by the lava flow. D. materials beneath the lava flow were uplifted from great depth.