A level OCR Geography Test Questions With Complete Solutions

A level OCR Geography Test Questions With Complete Solutions Ablation - ANSWER The loss of ice and snow especially from a glacier through melting evapouration and sublimation Absolute humidity - ANSWER The mass of water vapour in a given volume of air Abstraction - ANSWER The extraction of water from rivers and boreholes for public water supply Abyssal plain - ANSWER The deepest part of the ocean covering vast areas of ocean floor submarine mountain chains and trenches interrupt the relatively flat plain Accumulation - ANSWER The addition or gain of snow and ice to a glacier overtime Acidification - ANSWER Decreasing pH e.g. Of the oceans due to an increase in the uptake of CO2 from the atmosphere Active layer - ANSWER The near surface layer in a periglacial environment which seasonally freezes and thaws Adiabatic expansion - ANSWER The expansion of a parcel of air due to a decrease in pressure. Expansion causes cooling Advanced countries (ACs) - ANSWER Countries that share a number of important economic characteristics including well-developed financial markets high degrees of financial intermediation and diversified economic structures with rapidly growing service sectors Advection - ANSWER The horizontal movement of an air mass which often results in either heating or cooling Aeolian - ANSWER Erosion also transportations and depositional processes by the wind Aggradation - ANSWER The deposition of sediment in a river channel which results in a rise in the bed elevation Agribusiness - ANSWER A large scale farming practice e run on business lines Afro-ecosystems - ANSWER An ecosystem that is managed to produce food Alases - ANSWER Flat-floored steep side steep-side depressions in periglacial environments Albedo - ANSWER Proportion of sunlight reflected from a surface Algal bloom - ANSWER A rapid increase in algae in a water system Alkaloid - ANSWER A naturally occurring chemical compound the active ingredient in many medical drugs e.g. morphine