In this hypothesis the two sides of the mid-oceanic ridge are moving in opposite directions like slow conveyor belts.
A. plate spreading
B. sea floor spreading
C. continental drift
D. continental collisions
E. plate tectonics
Answer: B
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Biotechnology can replace chemical pesticides and fertilizers in some instances
Indicate whether the statement is true or false.
During a typical daily temperature cycle, the coldest time of the day is early morning and the warmest is mid-afternoon. Which of the following will cause the greatest reduction in daily temperature range?
A) leeward (downwind) coast B) dry air C) clear skies at night D) high latitude E) clear skies during the day
_______ is a process by which a low-cost, run-down neighborhood undergoes physical renovation for residential or office space, resulting in increased property values and new homes and offices for more affluent urban professionals
Fill in the blank(s) with correct word
Which process could theoretically provide a limitless source of intense heat and electricity, but still needs further research?
A. nuclear fission B. nuclear charging C. fracking D. solar panels E. nuclear fusion