The El Niño-Southern Oscillation is a periodic shift of high and low pressure zones over the western and eastern Pacific, respectively, usually occurring every 2 to 12 years.
Answer: B) is a periodic shift of high and low pressure zones over the western and eastern Pacific, respectively, usually occurring every 2 to 12 years.
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In Ontario, most precipitation that falls to the surface as rain originally formed as which precipitation type?
A. rain B. freezing rain C. ice pellets D. snow
Hillslopes in weaker rocks tend to be more gently sloped
Indicate whether the statement is true or false
Albedo is a term describing the Earth's
A. Use of energy in biomass production B. Outgoing infrared energy C. Refraction of energy D. Production of radiant heat E. Reflection of solar radiation
What happens to ice movement within a glacier when the glacier is retreating?
A)The ice flows uphill. B)The ice flows downhill. C)The ice flow spreads out laterally. D)The ice no longer flows. E)The ice flows downhill in the zone of accumulation and uphill in the zone of wastage.