ELSS, OCR Geog A level Questions
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With Answers || ||
How important is water to human life on Earth? -
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CORRECT ANSWER(S)✔✔Vital, animals for chemical
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reactions, plants for photosynthesis, clouds reflects 20%
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of solar radiation
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Uses of water for humans - CORRECT
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ANSWER(S)✔✔Respiration, metabolic reactions, bathing, || || || ||
recreation, domestic and industrial use|| || || ||
Use of water for flora - CORRECT
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ANSWER(S)✔✔Photosynthesis, transpiration ||
Uses of water for fauna - CORRECT
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ANSWER(S)✔✔Respiration, metabolic reactions, bathing || || ||
How important is carbon to life on earth? - CORRECT
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ANSWER(S)✔✔Many life forms are carbon-based, really || || || || || ||
important
,Use of carbon for humans - CORRECT
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ANSWER(S)✔✔Biomass and chemical reactions such as || || || || || ||
respiration
Uses of carbon for flora - CORRECT
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ANSWER(S)✔✔Biomass and structure, photosynthesis || || ||
Uses of carbon for life on earth - CORRECT
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ANSWER(S)✔✔Earth would be 50 degrees cooler without || || || || || || ||
GHGs
Define system - CORRECT ANSWER(S)✔✔A series of
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stores which are connected because of flows and
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processes which are driven by a driver || || || || || ||
Define input - CORRECT ANSWER(S)✔✔Energy/material
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added to a system || || ||
Define store - CORRECT ANSWER(S)✔✔Residence of
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material within a system for a period of time
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Define flow - CORRECT ANSWER(S)✔✔Transfer of material
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or energy between two stores
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, Define output - CORRECT ANSWER(S)✔✔The movement
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of material out of a system
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What is an open system? - CORRECT
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ANSWER(S)✔✔Boundaries are open to both inputs and || || || || || || ||
outputs of energy or matter || || || ||
To what extent are systems models accurate? - CORRECT
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ANSWER(S)✔✔Good basis but more complex in reality, || || || || || || ||
generalisation = lack of drat, satellites make || || || || || || ||
measurements more accurate || ||
Are the water and carbon cycles open or closed systems?
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- CORRECT ANSWER(S)✔✔Closed
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Where is waster stored in oceans and in what form? -
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CORRECT ANSWER(S)✔✔Oceans as liquid (97%) || || || ||
Which water storage is the most useful for humans? -
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CORRECT ANSWER(S)✔✔Fresh water bodies such as lakes
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and rivers although they are small in size
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What is the most common form of water in the
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atmosphere? - CORRECT ANSWER(S)✔✔Water vapour || || || ||
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With Answers || ||
How important is water to human life on Earth? -
|| || || || || || || || || ||
CORRECT ANSWER(S)✔✔Vital, animals for chemical
|| || || || ||
reactions, plants for photosynthesis, clouds reflects 20%
|| || || || || || ||
of solar radiation
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Uses of water for humans - CORRECT
|| || || || || || ||
ANSWER(S)✔✔Respiration, metabolic reactions, bathing, || || || ||
recreation, domestic and industrial use|| || || ||
Use of water for flora - CORRECT
|| || || || || || ||
ANSWER(S)✔✔Photosynthesis, transpiration ||
Uses of water for fauna - CORRECT
|| || || || || || ||
ANSWER(S)✔✔Respiration, metabolic reactions, bathing || || ||
How important is carbon to life on earth? - CORRECT
|| || || || || || || || || ||
ANSWER(S)✔✔Many life forms are carbon-based, really || || || || || ||
important
,Use of carbon for humans - CORRECT
|| || || || || || ||
ANSWER(S)✔✔Biomass and chemical reactions such as || || || || || ||
respiration
Uses of carbon for flora - CORRECT
|| || || || || || ||
ANSWER(S)✔✔Biomass and structure, photosynthesis || || ||
Uses of carbon for life on earth - CORRECT
|| || || || || || || || ||
ANSWER(S)✔✔Earth would be 50 degrees cooler without || || || || || || ||
GHGs
Define system - CORRECT ANSWER(S)✔✔A series of
|| || || || || || ||
stores which are connected because of flows and
|| || || || || || || ||
processes which are driven by a driver || || || || || ||
Define input - CORRECT ANSWER(S)✔✔Energy/material
|| || || || ||
added to a system || || ||
Define store - CORRECT ANSWER(S)✔✔Residence of
|| || || || || ||
material within a system for a period of time
|| || || || || || || ||
Define flow - CORRECT ANSWER(S)✔✔Transfer of material
|| || || || || ||
or energy between two stores
|| || || || ||
, Define output - CORRECT ANSWER(S)✔✔The movement
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of material out of a system
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What is an open system? - CORRECT
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ANSWER(S)✔✔Boundaries are open to both inputs and || || || || || || ||
outputs of energy or matter || || || ||
To what extent are systems models accurate? - CORRECT
|| || || || || || || || ||
ANSWER(S)✔✔Good basis but more complex in reality, || || || || || || ||
generalisation = lack of drat, satellites make || || || || || || ||
measurements more accurate || ||
Are the water and carbon cycles open or closed systems?
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- CORRECT ANSWER(S)✔✔Closed
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Where is waster stored in oceans and in what form? -
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CORRECT ANSWER(S)✔✔Oceans as liquid (97%) || || || ||
Which water storage is the most useful for humans? -
|| || || || || || || || || ||
CORRECT ANSWER(S)✔✔Fresh water bodies such as lakes
|| || || || || ||
and rivers although they are small in size
|| || || || || || || ||
What is the most common form of water in the
|| || || || || || || || || ||
atmosphere? - CORRECT ANSWER(S)✔✔Water vapour || || || ||
