Currently, the world energy consumption of renewable energy is CLOSEST to ________ percent
A) 0
B) 5
C) 20
D) 40
E) 60
Answer: C
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At 4ºC, the atmosphere is saturated with water vapour. If the air temperature increases to 15ºC, with no addition or removal of water vapour, what is the dew point?
A. about 2ºC B. about 15ºC C. about 8ºC D. about 4ºC
A forest has been cut down to make way for a new housing development. Which statement best summarizes our ability to predict the environmental consequences of this action?
A. Given the complexity of natural systems, our understanding of the system will always be incomplete and our predicted results will include uncertainty. B. Given that we now have the ability to inventory every plant and animal species in a given area, we can make precise predictions of the result of any action or disturbance. C. Even though nature is complex, recent breakthroughs have eliminated the uncertainties associated with environmental system models. D. Nature is too complex for us to predict anything about our actions.
You are hiking in a delta environment. The sediment that you see under your feet is
A. composed of grains of many sizes. B. coarse-grained. C. fine-grained. D. medium-grained.
A route intersects itself is called a:
A. combined route B. simple route C. looping route D. split route