Deserts as Natural Systems (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of system are desert landscapes?
What type of system are desert landscapes?
Open systems
Which of these is an input to the desert system?
Which of these is an input to the desert system?
Solar energy
What is an output from the desert system?
What is an output from the desert system?
Energy re-radiation
Which landforms act as stores in desert systems?
Which landforms act as stores in desert systems?
Sand dunes & desert plains
What is dynamic equilibrium in deserts?
What is dynamic equilibrium in deserts?
When inputs & outputs are balanced
What does positive feedback do in desert systems?
What does positive feedback do in desert systems?
Amplifies changes
In the desertification cycle, what follows declining productivity?
In the desertification cycle, what follows declining productivity?
Intensified pressure
Where are hot deserts concentrated globally?
Where are hot deserts concentrated globally?
Around Tropics of Cancer & Capricorn
How much precipitation defines an arid climate?
How much precipitation defines an arid climate?
Less than 250 mm per year
What annual precipitation defines semi-arid climates?
What annual precipitation defines semi-arid climates?
Between 250 & 500 mm