A stream can lengthen its valley by headward erosion.
Answer the following statement true (T) or false (F)
True
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A lamp rated 23W 120V means that it will deliver 23 W
A. whether or not it is connected to 120 V. B. when the voltage across it is 120 V. C. as long as the current is ac. D. none of the above
GEO satellites
A) are closer to Earth than are LEO satellites. B) stay in one position over the Earth. C) provide more data about far northern latitudes than they do about the tropics and sub-tropics. D) have so far only been used by the United States. E) all of the above
Which method is the least feasible strategy for industries to cut energy waste?
A. Using cogeneration systems. B. Replacing energy-wasting electric motors. C. Switching from coal-burning power plants to nuclear power plants. D. Recycling materials. E. Switching from incandescent lighting to fluorescent lighting and LED lighting.
What is a subsidy? Describe the role of subsidies in present-day natural resource management
What will be an ideal response?