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Summary
Edexcel IGCSE Chapter 1#2021/2022
what is ceteris paribus? 
The assumption that all other variables remain constant. 
 
 
why does scarcity arise? 
Scarcity arises because there a limited amount of resources to provide for unlimited human wants. 
 
 
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what is a renewable resource? 
A resource that can be used and replenished naturally. 
 
 
what is a non-renewable resource? 
A resource that once used cannot be replenished. 
 
 
what is a sustainable resource? 
A resource that can be used and replenished, only ...